977863560 has 64 divisors (see below), whose sum is σ = 2939388480. Its totient is φ = 260248320.

The previous prime is 977863493. The next prime is 977863573. The reversal of 977863560 is 65368779.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54970 + ... + 70550.

It is an arithmetic number, because the mean of its divisors is an integer number (45927945).

Almost surely, 2^977863560 is an apocalyptic number.

It is an amenable number.

977863560 is an abundant number, since it is smaller than the sum of its proper divisors (1961524920).

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

977863560 is a wasteful number, since it uses less digits than its factorization.

977863560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16118 (or 16114 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 977863560 is about 31270.8100310817. The cubic root of 977863560 is about 992.5660601467.

The spelling of 977863560 in words is "nine hundred seventy-seven million, eight hundred sixty-three thousand, five hundred sixty".