56877001897 has 8 divisors (see below), whose sum is σ = 57395178720. Its totient is φ = 56360098080.

The previous prime is 56877001891. The next prime is 56877001903. The reversal of 56877001897 is 79810077865.

It is an interprime number because it is at equal distance from previous prime (56877001891) and next prime (56877001903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56877001897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56877001891) 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 7 ways as a sum of consecutive naturals, for example, 228372 + ... + 407317.

It is an arithmetic number, because the mean of its divisors is an integer number (7174397340).

Almost surely, 2^56877001897 is an apocalyptic number.

It is an amenable number.

56877001897 is a deficient number, since it is larger than the sum of its proper divisors (518176823).

56877001897 is a wasteful number, since it uses less digits than its factorization.

56877001897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636503.

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 56877001897 in words is "fifty-six billion, eight hundred seventy-seven million, one thousand, eight hundred ninety-seven".