31627776964 has 27 divisors (see below), whose sum is σ = 64390186287. Its totient is φ = 13553694504.

The previous prime is 31627776931. The next prime is 31627777033. The reversal of 31627776964 is 46967772613.

The square root of 31627776964 is 177842.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 31627776899 and 31627776908.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2483437 + ... + 2496139.

Almost surely, 2^31627776964 is an apocalyptic number.

31627776964 is the 177842-nd square number.

It is an amenable number.

31627776964 is an abundant number, since it is smaller than the sum of its proper divisors (32762409323).

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

31627776964 is an frugal number, since it uses more digits than its factorization.

31627776964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25424 (or 12712 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 58.

The spelling of 31627776964 in words is "thirty-one billion, six hundred twenty-seven million, seven hundred seventy-six thousand, nine hundred sixty-four".