31752977904 has 120 divisors (see below), whose sum is σ = 91340781792. Its totient is φ = 10289825280.

The previous prime is 31752977899. The next prime is 31752977933. The reversal of 31752977904 is 40977925713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12684717 + ... + 12687219.

Almost surely, 2^31752977904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31752977904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45670390896).

31752977904 is an abundant number, since it is smaller than the sum of its proper divisors (59587803888).

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

31752977904 is a wasteful number, since it uses less digits than its factorization.

31752977904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935 (or 4926 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The spelling of 31752977904 in words is "thirty-one billion, seven hundred fifty-two million, nine hundred seventy-seven thousand, nine hundred four".