979620720 has 80 divisors (see below), whose sum is σ = 3270436512. Its totient is φ = 241136640.

The previous prime is 979620701. The next prime is 979620721. The reversal of 979620720 is 27026979.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979620721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153871 + ... + 160110.

Almost surely, 2^979620720 is an apocalyptic number.

It is an amenable number.

979620720 is an abundant number, since it is smaller than the sum of its proper divisors (2290815792).

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

979620720 is a wasteful number, since it uses less digits than its factorization.

979620720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314010 (or 314004 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 979620720 is about 31298.8932711686. The cubic root of 979620720 is about 993.1602308855.

The spelling of 979620720 in words is "nine hundred seventy-nine million, six hundred twenty thousand, seven hundred twenty".