87655535396 has 72 divisors (see below), whose sum is σ = 186216956352. Its totient is φ = 35591918400.

The previous prime is 87655535393. The next prime is 87655535417. The reversal of 87655535396 is 69353555678.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (87655535393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469961 + ... + 629423.

It is an arithmetic number, because the mean of its divisors is an integer number (2586346616).

Almost surely, 2^87655535396 is an apocalyptic number.

It is an amenable number.

87655535396 is an abundant number, since it is smaller than the sum of its proper divisors (98561420956).

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

87655535396 is a wasteful number, since it uses less digits than its factorization.

87655535396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159553 (or 159520 counting only the distinct ones).

The product of its digits is 102060000, while the sum is 62.

The spelling of 87655535396 in words is "eighty-seven billion, six hundred fifty-five million, five hundred thirty-five thousand, three hundred ninety-six".