977845968 has 60 divisors (see below), whose sum is σ = 2985398208. Its totient is φ = 296316480.

The previous prime is 977845961. The next prime is 977845993. The reversal of 977845968 is 869548779.

977845968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977845961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307080 + ... + 310247.

Almost surely, 2^977845968 is an apocalyptic number.

It is an amenable number.

977845968 is an abundant number, since it is smaller than the sum of its proper divisors (2007552240).

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

977845968 is a wasteful number, since it uses less digits than its factorization.

977845968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617352 (or 617343 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 977845968 is about 31270.5287451300. The cubic root of 977845968 is about 992.5601079438.

The spelling of 977845968 in words is "nine hundred seventy-seven million, eight hundred forty-five thousand, nine hundred sixty-eight".