56116670979 has 4 divisors (see below), whose sum is σ = 74822227976. Its totient is φ = 37411113984.

The previous prime is 56116670963. The next prime is 56116670993. The reversal of 56116670979 is 97907661165.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56116670979 - 2⁴ = 56116670963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56116670179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9352778494 + ... + 9352778499.

It is an arithmetic number, because the mean of its divisors is an integer number (18705556994).

Almost surely, 2^56116670979 is an apocalyptic number.

56116670979 is a deficient number, since it is larger than the sum of its proper divisors (18705556997).

56116670979 is a wasteful number, since it uses less digits than its factorization.

56116670979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705556996.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 56116670979 in words is "fifty-six billion, one hundred sixteen million, six hundred seventy thousand, nine hundred seventy-nine".