979255872 has 224 divisors, whose sum is σ = 3338169600. Its totient is φ = 275705856.

The previous prime is 979255831. The next prime is 979255873. The reversal of 979255872 is 278552979.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (979255873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882454 + ... + 883562.

Almost surely, 2^979255872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979255872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669084800).

979255872 is an abundant number, since it is smaller than the sum of its proper divisors (2358913728).

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

979255872 is a wasteful number, since it uses less digits than its factorization.

979255872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1194 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 979255872 is about 31293.0642794853. The cubic root of 979255872 is about 993.0369186993.

The spelling of 979255872 in words is "nine hundred seventy-nine million, two hundred fifty-five thousand, eight hundred seventy-two".