56976777 has 40 divisors (see below), whose sum is σ = 100013760. Its totient is φ = 31868640.

The previous prime is 56976769. The next prime is 56976811. The reversal of 56976777 is 77767965.

56976777 is a `hidden beast` number, since 569 + 7 + 6 + 7 + 77 = 666.

56976777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56976777 - 2³ = 56976769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56976767) 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 39 ways as a sum of consecutive naturals, for example, 9124 + ... + 14042.

It is an arithmetic number, because the mean of its divisors is an integer number (2500344).

Almost surely, 2^56976777 is an apocalyptic number.

It is an amenable number.

56976777 is a deficient number, since it is larger than the sum of its proper divisors (43036983).

56976777 is a wasteful number, since it uses less digits than its factorization.

56976777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4946 counting only the distinct ones).

The product of its digits is 3889620, while the sum is 54.

The square root of 56976777 is about 7548.2962978410. The cubic root of 56976777 is about 384.7978406820.

The spelling of 56976777 in words is "fifty-six million, nine hundred seventy-six thousand, seven hundred seventy-seven".