56877049689 has 16 divisors (see below), whose sum is σ = 80650409280. Its totient is φ = 35552010240.

The previous prime is 56877049687. The next prime is 56877049703. The reversal of 56877049689 is 98694077865.

It is not a de Polignac number, because 56877049689 - 2¹ = 56877049687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56877049687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5137992 + ... + 5149049.

It is an arithmetic number, because the mean of its divisors is an integer number (5040650580).

Almost surely, 2^56877049689 is an apocalyptic number.

It is an amenable number.

56877049689 is a deficient number, since it is larger than the sum of its proper divisors (23773359591).

56877049689 is a wasteful number, since it uses less digits than its factorization.

56877049689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287160.

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 56877049689 in words is "fifty-six billion, eight hundred seventy-seven million, forty-nine thousand, six hundred eighty-nine".