56776227110767 has 4 divisors (see below), whose sum is σ = 58096604485480. Its totient is φ = 55455849736056.

The previous prime is 56776227110653. The next prime is 56776227110773. The reversal of 56776227110767 is 76701172267765.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56776227110767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56776227110699 and 56776227110708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56776227110777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660188687292 + ... + 660188687377.

It is an arithmetic number, because the mean of its divisors is an integer number (14524151121370).

Almost surely, 2^{56776227110767} is an apocalyptic number.

56776227110767 is a deficient number, since it is larger than the sum of its proper divisors (1320377374713).

56776227110767 is a wasteful number, since it uses less digits than its factorization.

56776227110767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320377374712.

The product of its (nonzero) digits is 72606240, while the sum is 64.

The spelling of 56776227110767 in words is "fifty-six trillion, seven hundred seventy-six billion, two hundred twenty-seven million, one hundred ten thousand, seven hundred sixty-seven".