977712232 has 32 divisors (see below), whose sum is σ = 2096205120. Its totient is φ = 418798080.

The previous prime is 977712227. The next prime is 977712251. The reversal of 977712232 is 232217779.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145507 + ... + 152077.

It is an arithmetic number, because the mean of its divisors is an integer number (65506410).

Almost surely, 2^977712232 is an apocalyptic number.

It is an amenable number.

977712232 is an abundant number, since it is smaller than the sum of its proper divisors (1118492888).

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

977712232 is a wasteful number, since it uses less digits than its factorization.

977712232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241 (or 9237 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 977712232 is about 31268.3903007494. The cubic root of 977712232 is about 992.5148564165.

The spelling of 977712232 in words is "nine hundred seventy-seven million, seven hundred twelve thousand, two hundred thirty-two".