56878181875 has 10 divisors (see below), whose sum is σ = 71074976852. Its totient is φ = 45502545000.

The previous prime is 56878181837. The next prime is 56878181909. The reversal of 56878181875 is 57818187865.

It is not a de Polignac number, because 56878181875 - 2³³ = 48288247283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45501921 + ... + 45503170.

Almost surely, 2^56878181875 is an apocalyptic number.

56878181875 is a deficient number, since it is larger than the sum of its proper divisors (14196794977).

56878181875 is an frugal number, since it uses more digits than its factorization.

56878181875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91005111 (or 91005096 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 64.

The spelling of 56878181875 in words is "fifty-six billion, eight hundred seventy-eight million, one hundred eighty-one thousand, eight hundred seventy-five".