56075009877 has 24 divisors (see below), whose sum is σ = 82341363000. Its totient is φ = 36763217280.

The previous prime is 56075009863. The next prime is 56075009911. The reversal of 56075009877 is 77890057065.

56075009877 is a `hidden beast` number, since 5 + 60 + 7 + 500 + 9 + 8 + 77 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 45279441 + 56029730436 = 6729^2 + 236706^2 .

It is not a de Polignac number, because 56075009877 - 2²⁴ = 56058232661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56075009827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5346963 + ... + 5357439.

It is an arithmetic number, because the mean of its divisors is an integer number (3430890125).

Almost surely, 2^56075009877 is an apocalyptic number.

It is an amenable number.

56075009877 is a deficient number, since it is larger than the sum of its proper divisors (26266353123).

56075009877 is a wasteful number, since it uses less digits than its factorization.

56075009877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20293 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 56075009877 in words is "fifty-six billion, seventy-five million, nine thousand, eight hundred seventy-seven".