979657655795 has 64 divisors (see below), whose sum is σ = 1457764847616. Its totient is φ = 615433075200.

The previous prime is 979657655791. The next prime is 979657655803. The reversal of 979657655795 is 597556756979.

It is not a de Polignac number, because 979657655795 - 2² = 979657655791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979657655791) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84982322 + ... + 84993848.

It is an arithmetic number, because the mean of its divisors is an integer number (22777575744).

Almost surely, 2^979657655795 is an apocalyptic number.

979657655795 is a deficient number, since it is larger than the sum of its proper divisors (478107191821).

979657655795 is a wasteful number, since it uses less digits than its factorization.

979657655795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940.

The product of its digits is 5626057500, while the sum is 80.

The spelling of 979657655795 in words is "nine hundred seventy-nine billion, six hundred fifty-seven million, six hundred fifty-five thousand, seven hundred ninety-five".