979274556 has 72 divisors (see below), whose sum is σ = 2749230960. Its totient is φ = 301309632.

The previous prime is 979274539. The next prime is 979274557. The reversal of 979274556 is 655472979.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979274557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8575 + ... + 45078.

Almost surely, 2^979274556 is an apocalyptic number.

It is an amenable number.

979274556 is an abundant number, since it is smaller than the sum of its proper divisors (1769956404).

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

979274556 is a wasteful number, since it uses less digits than its factorization.

979274556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53692 (or 53671 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 979274556 is about 31293.3628106664. The cubic root of 979274556 is about 993.0432343057.

It can be divided in two parts, 9792 and 74556, that added together give a palindrome (84348).

The spelling of 979274556 in words is "nine hundred seventy-nine million, two hundred seventy-four thousand, five hundred fifty-six".