977920968 has 32 divisors (see below), whose sum is σ = 2467238400. Its totient is φ = 322982208.

The previous prime is 977920961. The next prime is 977920973. The reversal of 977920968 is 869029779.

977920968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (977920961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184296 + ... + 189527.

It is an arithmetic number, because the mean of its divisors is an integer number (77101200).

Almost surely, 2^977920968 is an apocalyptic number.

It is an amenable number.

977920968 is an abundant number, since it is smaller than the sum of its proper divisors (1489317432).

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

977920968 is a wasteful number, since it uses less digits than its factorization.

977920968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373941 (or 373937 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 977920968 is about 31271.7279343499. The cubic root of 977920968 is about 992.5854834826.

The spelling of 977920968 in words is "nine hundred seventy-seven million, nine hundred twenty thousand, nine hundred sixty-eight".