86831604504 has 32 divisors (see below), whose sum is σ = 241198902000. Its totient is φ = 28943868096.

The previous prime is 86831604487. The next prime is 86831604521. The reversal of 86831604504 is 40540613868.

86831604504 is a `hidden beast` number, since 8 + 6 + 8 + 31 + 604 + 5 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (86831604487) and next prime (86831604521).

It is a self number, because there is not a number n which added to its sum of digits gives 86831604504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200998869 + ... + 200999300.

Almost surely, 2^86831604504 is an apocalyptic number.

It is an amenable number.

86831604504 is an abundant number, since it is smaller than the sum of its proper divisors (154367297496).

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

86831604504 is a wasteful number, since it uses less digits than its factorization.

86831604504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401998184 (or 401998174 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 86831604504 in words is "eighty-six billion, eight hundred thirty-one million, six hundred four thousand, five hundred four".