977461964 has 12 divisors (see below), whose sum is σ = 1711095288. Its totient is φ = 488577600.

The previous prime is 977461957. The next prime is 977461999. The reversal of 977461964 is 469164779.

It is a happy number.

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, 23357 + ... + 50004.

It is an arithmetic number, because the mean of its divisors is an integer number (142591274).

Almost surely, 2^977461964 is an apocalyptic number.

It is an amenable number.

977461964 is a deficient number, since it is larger than the sum of its proper divisors (733633324).

977461964 is a wasteful number, since it uses less digits than its factorization.

977461964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76696 (or 76694 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 53.

The square root of 977461964 is about 31264.3881117159. The cubic root of 977461964 is about 992.4301634987.

The spelling of 977461964 in words is "nine hundred seventy-seven million, four hundred sixty-one thousand, nine hundred sixty-four".