56870877 has 16 divisors (see below), whose sum is σ = 87288320. Its totient is φ = 32262192.

The previous prime is 56870861. The next prime is 56870903. The reversal of 56870877 is 77807865.

It is not a de Polignac number, because 56870877 - 2⁴ = 56870861 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56871877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823 + ... + 12660.

It is an arithmetic number, because the mean of its divisors is an integer number (5455520).

Almost surely, 2^56870877 is an apocalyptic number.

It is an amenable number.

56870877 is a deficient number, since it is larger than the sum of its proper divisors (30417443).

56870877 is a wasteful number, since it uses less digits than its factorization.

56870877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632.

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 56870877 is about 7541.2782073068. The cubic root of 56870877 is about 384.5592910698.

The spelling of 56870877 in words is "fifty-six million, eight hundred seventy thousand, eight hundred seventy-seven".