977651364 has 24 divisors (see below), whose sum is σ = 2359848960. Its totient is φ = 314646304.

The previous prime is 977651359. The next prime is 977651377. The reversal of 977651364 is 463156779.

It is a happy number.

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, 1404324 + ... + 1405019.

It is an arithmetic number, because the mean of its divisors is an integer number (98327040).

Almost surely, 2^977651364 is an apocalyptic number.

It is an amenable number.

977651364 is an abundant number, since it is smaller than the sum of its proper divisors (1382197596).

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

977651364 is a wasteful number, since it uses less digits than its factorization.

977651364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809379 (or 2809377 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 977651364 is about 31267.4169703863. The cubic root of 977651364 is about 992.4942594740.

The spelling of 977651364 in words is "nine hundred seventy-seven million, six hundred fifty-one thousand, three hundred sixty-four".