31860786696 has 32 divisors (see below), whose sum is σ = 79780682400. Its totient is φ = 10603100160.

The previous prime is 31860786653. The next prime is 31860786697. The reversal of 31860786696 is 69668706813.

It is not an unprimeable number, because it can be changed into a prime (31860786697) 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, 1057465 + ... + 1087176.

It is an arithmetic number, because the mean of its divisors is an integer number (2493146325).

Almost surely, 2^31860786696 is an apocalyptic number.

It is an amenable number.

31860786696 is an abundant number, since it is smaller than the sum of its proper divisors (47919895704).

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

31860786696 is a wasteful number, since it uses less digits than its factorization.

31860786696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145269 (or 2145265 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 31860786696 in words is "thirty-one billion, eight hundred sixty million, seven hundred eighty-six thousand, six hundred ninety-six".