86631587312 has 20 divisors (see below), whose sum is σ = 169870976520. Its totient is φ = 42793915968.

The previous prime is 86631587299. The next prime is 86631587333. The reversal of 86631587312 is 21378513668.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32615987 + ... + 32618642.

It is an arithmetic number, because the mean of its divisors is an integer number (8493548826).

Almost surely, 2^86631587312 is an apocalyptic number.

It is an amenable number.

86631587312 is a deficient number, since it is larger than the sum of its proper divisors (83239389208).

86631587312 is a wasteful number, since it uses less digits than its factorization.

86631587312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65234720 (or 65234714 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 86631587312 in words is "eighty-six billion, six hundred thirty-one million, five hundred eighty-seven thousand, three hundred twelve".