56877984371 has 8 divisors (see below), whose sum is σ = 61260895920. Its totient is φ = 52496170272.

The previous prime is 56877984323. The next prime is 56877984419. The reversal of 56877984371 is 17348977865.

It is an interprime number because it is at equal distance from previous prime (56877984323) and next prime (56877984419).

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

It is not a de Polignac number, because 56877984371 - 2²² = 56873790067 is a prime.

It is a super-2 number, since 2×56877984371² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56877984298 and 56877984307.

It is not an unprimeable number, because it can be changed into a prime (56877984271) by changing a digit.

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, 165101 + ... + 375518.

It is an arithmetic number, because the mean of its divisors is an integer number (7657611990).

Almost surely, 2^56877984371 is an apocalyptic number.

56877984371 is a deficient number, since it is larger than the sum of its proper divisors (4382911549).

56877984371 is a wasteful number, since it uses less digits than its factorization.

56877984371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548725.

The product of its digits is 71124480, while the sum is 65.

The spelling of 56877984371 in words is "fifty-six billion, eight hundred seventy-seven million, nine hundred eighty-four thousand, three hundred seventy-one".