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87734440000 = 265414812
BaseRepresentation
bin101000110110101100…
…0010101000001000000
322101110100211100001201
41101231120111001000
52414140004040000
6104145445310544
76224066302234
oct1215530250100
9271410740051
1087734440000
1134231893359
1215006105454
13837264802c
1443640765c4
15243750e96a
hex146d615040

87734440000 has 105 divisors (see below), whose sum is σ = 217699892641. Its totient is φ = 35070080000.

The previous prime is 87734439967. The next prime is 87734440007. The reversal of 87734440000 is 4443778.

It is a happy number.

The square root of 87734440000 is 296200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 72524644416 + 15209795584 = 269304^2 + 123328^2 .

It is a super-2 number, since 2×877344400002 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87734440007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 59239260 + ... + 59240740.

Almost surely, 287734440000 is an apocalyptic number.

87734440000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

87734440000 is the 296200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87734440000

87734440000 is an abundant number, since it is smaller than the sum of its proper divisors (129965452641).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87734440000 is an frugal number, since it uses more digits than its factorization.

87734440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

Adding to 87734440000 its reverse (4443778), we get a palindrome (87738883778).

The spelling of 87734440000 in words is "eighty-seven billion, seven hundred thirty-four million, four hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1481 1600 2000 2500 2962 4000 5000 5924 7405 8000 10000 11848 14810 20000 23696 29620 37025 40000 47392 59240 74050 94784 118480 148100 185125 236960 296200 370250 473920 592400 740500 925625 1184800 1481000 1851250 2193361 2369600 2962000 3702500 4386722 5924000 7405000 8773444 10966805 11848000 14810000 17546888 21933610 29620000 35093776 43867220 54834025 59240000 70187552 87734440 109668050 140375104 175468880 219336100 274170125 350937760 438672200 548340250 701875520 877344400 1096680500 1370850625 1754688800 2193361000 2741701250 3509377600 4386722000 5483402500 8773444000 10966805000 17546888000 21933610000 43867220000 87734440000