56877688378 has 16 divisors (see below), whose sum is σ = 98272364544. Its totient is φ = 24184213200.

The previous prime is 56877688369. The next prime is 56877688421. The reversal of 56877688378 is 87388677865.

It is a self number, because there is not a number n which added to its sum of digits gives 56877688378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15993073 + ... + 15996628.

It is an arithmetic number, because the mean of its divisors is an integer number (6142022784).

Almost surely, 2^56877688378 is an apocalyptic number.

56877688378 is a deficient number, since it is larger than the sum of its proper divisors (41394676166).

56877688378 is a wasteful number, since it uses less digits than its factorization.

56877688378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31989837.

The product of its digits is 758661120, while the sum is 73.

The spelling of 56877688378 in words is "fifty-six billion, eight hundred seventy-seven million, six hundred eighty-eight thousand, three hundred seventy-eight".