56814512877 has 48 divisors (see below), whose sum is σ = 83954101296. Its totient is φ = 37013760000.

The previous prime is 56814512869. The next prime is 56814512893. The reversal of 56814512877 is 77821541865.

56814512877 is a `hidden beast` number, since 56 + 8 + 1 + 4 + 512 + 8 + 77 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 22555834596 + 34258678281 = 150186^2 + 185091^2 .

It is not a de Polignac number, because 56814512877 - 2³ = 56814512869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56814512837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92682423 + ... + 92683035.

It is an arithmetic number, because the mean of its divisors is an integer number (1749043777).

Almost surely, 2^56814512877 is an apocalyptic number.

It is an amenable number.

56814512877 is a deficient number, since it is larger than the sum of its proper divisors (27139588419).

56814512877 is a wasteful number, since it uses less digits than its factorization.

56814512877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1499 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The spelling of 56814512877 in words is "fifty-six billion, eight hundred fourteen million, five hundred twelve thousand, eight hundred seventy-seven".