56778456179 has 8 divisors (see below), whose sum is σ = 60132518208. Its totient is φ = 53425966720.

The previous prime is 56778456169. The next prime is 56778456187. The reversal of 56778456179 is 97165487765.

56778456179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56778456179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56778456169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318392 + ... + 463605.

It is an arithmetic number, because the mean of its divisors is an integer number (7516564776).

Almost surely, 2^56778456179 is an apocalyptic number.

56778456179 is a deficient number, since it is larger than the sum of its proper divisors (3354062029).

56778456179 is a wasteful number, since it uses less digits than its factorization.

56778456179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786285.

The product of its digits is 88905600, while the sum is 65.

The spelling of 56778456179 in words is "fifty-six billion, seven hundred seventy-eight million, four hundred fifty-six thousand, one hundred seventy-nine".