979157256 has 64 divisors (see below), whose sum is σ = 3051924480. Its totient is φ = 254326080.

The previous prime is 979157197. The next prime is 979157287. The reversal of 979157256 is 652751979.

It is a junction number, because it is equal to n+sod(n) for n = 979157199 and 979157208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263076 + ... + 266771.

It is an arithmetic number, because the mean of its divisors is an integer number (47686320).

Almost surely, 2^979157256 is an apocalyptic number.

It is an amenable number.

979157256 is an abundant number, since it is smaller than the sum of its proper divisors (2072767224).

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

979157256 is a wasteful number, since it uses less digits than its factorization.

979157256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529874 (or 529870 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 51.

The square root of 979157256 is about 31291.4885551966. The cubic root of 979157256 is about 993.0035829733.

The spelling of 979157256 in words is "nine hundred seventy-nine million, one hundred fifty-seven thousand, two hundred fifty-six".