977136320 has 28 divisors (see below), whose sum is σ = 2326806624. Its totient is φ = 390854400.

The previous prime is 977136289. The next prime is 977136331. The reversal of 977136320 is 23631779.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526456 + ... + 1527095.

Almost surely, 2^977136320 is an apocalyptic number.

It is an amenable number.

977136320 is an abundant number, since it is smaller than the sum of its proper divisors (1349670304).

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

977136320 is a wasteful number, since it uses less digits than its factorization.

977136320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053568 (or 3053558 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 977136320 is about 31259.1797717087. The cubic root of 977136320 is about 992.3199410259.

The spelling of 977136320 in words is "nine hundred seventy-seven million, one hundred thirty-six thousand, three hundred twenty".