976978960 has 20 divisors (see below), whose sum is σ = 2271476268. Its totient is φ = 390791552.

The previous prime is 976978927. The next prime is 976978991. The reversal of 976978960 is 69879679.

It can be written as a sum of positive squares in 2 ways, for example, as 194769936 + 782209024 = 13956^2 + 27968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 6106039 + ... + 6106198.

Almost surely, 2^976978960 is an apocalyptic number.

It is an amenable number.

976978960 is an abundant number, since it is smaller than the sum of its proper divisors (1294497308).

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

976978960 is a wasteful number, since it uses less digits than its factorization.

976978960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212250 (or 12212244 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The square root of 976978960 is about 31256.6626497456. The cubic root of 976978960 is about 992.2666697659.

The spelling of 976978960 in words is "nine hundred seventy-six million, nine hundred seventy-eight thousand, nine hundred sixty".