979255778 has 16 divisors (see below), whose sum is σ = 1477244736. Its totient is φ = 486848400.

The previous prime is 979255759. The next prime is 979255787. The reversal of 979255778 is 877552979.

979255778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342053 + ... + 344903.

It is an arithmetic number, because the mean of its divisors is an integer number (92327796).

Almost surely, 2^979255778 is an apocalyptic number.

979255778 is a deficient number, since it is larger than the sum of its proper divisors (497988958).

979255778 is a wasteful number, since it uses less digits than its factorization.

979255778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769.

The product of its digits is 11113200, while the sum is 59.

The square root of 979255778 is about 31293.0627775550. The cubic root of 979255778 is about 993.0368869250.

The spelling of 979255778 in words is "nine hundred seventy-nine million, two hundred fifty-five thousand, seven hundred seventy-eight".