976578528972 has 12 divisors (see below), whose sum is σ = 2278683234296. Its totient is φ = 325526176320.

The previous prime is 976578528929. The next prime is 976578529001. The reversal of 976578528972 is 279825875679.

976578528972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 976578528894 and 976578528903.

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, 40690772029 + ... + 40690772052.

Almost surely, 2^976578528972 is an apocalyptic number.

It is an amenable number.

976578528972 is an abundant number, since it is smaller than the sum of its proper divisors (1302104705324).

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

976578528972 is a wasteful number, since it uses less digits than its factorization.

976578528972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81381544088 (or 81381544086 counting only the distinct ones).

The product of its digits is 1066867200, while the sum is 75.

The spelling of 976578528972 in words is "nine hundred seventy-six billion, five hundred seventy-eight million, five hundred twenty-eight thousand, nine hundred seventy-two".