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87416965199 = 397997322079
BaseRepresentation
bin101000101101001110…
…1010000100001001111
322100122020102221111202
41101122131100201033
52413012220341244
6104054144540115
76213162641564
oct1213235204117
9270566387452
1087416965199
1134089663893
1214b3792163b
13832193c315
144333c3486b
1524196ed04e
hex145a75084f

87416965199 has 8 divisors (see below), whose sum is σ = 87649916160. Its totient is φ = 87184079136.

The previous prime is 87416965171. The next prime is 87416965213. The reversal of 87416965199 is 99156961478.

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 87416965199 - 212 = 87416961103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87416965159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948242 + ... + 3970320.

It is an arithmetic number, because the mean of its divisors is an integer number (10956239520).

Almost surely, 287416965199 is an apocalyptic number.

87416965199 is a deficient number, since it is larger than the sum of its proper divisors (232950961).

87416965199 is a wasteful number, since it uses less digits than its factorization.

87416965199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32449.

The product of its digits is 29393280, while the sum is 65.

The spelling of 87416965199 in words is "eighty-seven billion, four hundred sixteen million, nine hundred sixty-five thousand, one hundred ninety-nine".

Divisors: 1 397 9973 22079 3959281 8765363 220193867 87416965199