56877001898 has 32 divisors (see below), whose sum is σ = 94440504960. Its totient is φ = 25601737920.

The previous prime is 56877001891. The next prime is 56877001903. The reversal of 56877001898 is 89810077865.

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 15 ways as a sum of consecutive naturals, for example, 344933 + ... + 482423.

It is an arithmetic number, because the mean of its divisors is an integer number (2951265780).

Almost surely, 2^56877001898 is an apocalyptic number.

56877001898 is a deficient number, since it is larger than the sum of its proper divisors (37563503062).

56877001898 is a wasteful number, since it uses less digits than its factorization.

56877001898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137579 (or 137533 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 59.

The spelling of 56877001898 in words is "fifty-six billion, eight hundred seventy-seven million, one thousand, eight hundred ninety-eight".