56976229779 has 32 divisors (see below), whose sum is σ = 87249275904. Its totient is φ = 32397580800.

The previous prime is 56976229703. The next prime is 56976229819. The reversal of 56976229779 is 97792267965.

It is not a de Polignac number, because 56976229779 - 2⁸ = 56976229523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56976209779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3943162 + ... + 3957584.

It is an arithmetic number, because the mean of its divisors is an integer number (2726539872).

Almost surely, 2^56976229779 is an apocalyptic number.

56976229779 is a deficient number, since it is larger than the sum of its proper divisors (30273046125).

56976229779 is a wasteful number, since it uses less digits than its factorization.

56976229779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15347.

The product of its digits is 180033840, while the sum is 69.

The spelling of 56976229779 in words is "fifty-six billion, nine hundred seventy-six million, two hundred twenty-nine thousand, seven hundred seventy-nine".