312991764744 has 64 divisors (see below), whose sum is σ = 829117440000. Its totient is φ = 98184916800.

The previous prime is 312991764697. The next prime is 312991764817. The reversal of 312991764744 is 447467199213.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2203944 + ... + 2341655.

It is an arithmetic number, because the mean of its divisors is an integer number (12954960000).

Almost surely, 2^312991764744 is an apocalyptic number.

It is an amenable number.

312991764744 is an abundant number, since it is smaller than the sum of its proper divisors (516125675256).

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

312991764744 is a wasteful number, since it uses less digits than its factorization.

312991764744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545778 (or 4545774 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The spelling of 312991764744 in words is "three hundred twelve billion, nine hundred ninety-one million, seven hundred sixty-four thousand, seven hundred forty-four".