977232990 has 32 divisors (see below), whose sum is σ = 2351236896. Its totient is φ = 259942400.

The previous prime is 977232983. The next prime is 977233001. The reversal of 977232990 is 99232779.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28587 + ... + 52646.

It is an arithmetic number, because the mean of its divisors is an integer number (73476153).

Almost surely, 2^977232990 is an apocalyptic number.

977232990 is an abundant number, since it is smaller than the sum of its proper divisors (1374003906).

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

977232990 is a wasteful number, since it uses less digits than its factorization.

977232990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81644.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 977232990 is about 31260.7259992470. The cubic root of 977232990 is about 992.3526639952.

The spelling of 977232990 in words is "nine hundred seventy-seven million, two hundred thirty-two thousand, nine hundred ninety".