977608960 has 36 divisors (see below), whose sum is σ = 2341682028. Its totient is φ = 391043072.

The previous prime is 977608949. The next prime is 977608969. The reversal of 977608960 is 69806779.

It can be written as a sum of positive squares in 2 ways, for example, as 141705216 + 835903744 = 11904^2 + 28912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 977608898 and 977608907.

It is not an unprimeable number, because it can be changed into a prime (977608969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380599 + ... + 383158.

It is an arithmetic number, because the mean of its divisors is an integer number (65046723).

Almost surely, 2^977608960 is an apocalyptic number.

It is an amenable number.

977608960 is an abundant number, since it is smaller than the sum of its proper divisors (1364073068).

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

977608960 is an equidigital number, since it uses as much as digits as its factorization.

977608960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763778 (or 763764 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 977608960 is about 31266.7388769600. The cubic root of 977608960 is about 992.4799100046.

The spelling of 977608960 in words is "nine hundred seventy-seven million, six hundred eight thousand, nine hundred sixty".