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87055119359 = 1310976104419
BaseRepresentation
bin101000100010011100…
…0111011001111111111
322022201000120021022222
41101010320323033333
52411242102304414
6103554221155555
76201210206465
oct1210470731777
9268630507288
1087055119359
1133a1338873a
1214a566bbbbb
138294999360
1442dbb62835
1523e7a7468e
hex1444e3b3ff

87055119359 has 8 divisors (see below), whose sum is σ = 93837144240. Its totient is φ = 80285305536.

The previous prime is 87055119259. The next prime is 87055119373. The reversal of 87055119359 is 95391155078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87055119359 - 212 = 87055115263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87055119359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87055119379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037949 + ... + 3066470.

It is an arithmetic number, because the mean of its divisors is an integer number (11729643030).

Almost surely, 287055119359 is an apocalyptic number.

87055119359 is a deficient number, since it is larger than the sum of its proper divisors (6782024881).

87055119359 is a wasteful number, since it uses less digits than its factorization.

87055119359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105529.

The product of its (nonzero) digits is 1701000, while the sum is 53.

The spelling of 87055119359 in words is "eighty-seven billion, fifty-five million, one hundred nineteen thousand, three hundred fifty-nine".

Divisors: 1 13 1097 14261 6104419 79357447 6696547643 87055119359