56710880989 has 8 divisors (see below), whose sum is σ = 64998147200. Its totient is φ = 48470042736.

The previous prime is 56710880977. The next prime is 56710880999. The reversal of 56710880989 is 98908801765.

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

It is a cyclic number.

It is not a de Polignac number, because 56710880989 - 2²³ = 56702492381 is a prime.

It is a super-2 number, since 2×56710880989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56710880999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11604369 + ... + 11609254.

It is an arithmetic number, because the mean of its divisors is an integer number (8124768400).

Almost surely, 2^56710880989 is an apocalyptic number.

It is an amenable number.

56710880989 is a deficient number, since it is larger than the sum of its proper divisors (8287266211).

56710880989 is a wasteful number, since it uses less digits than its factorization.

56710880989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23213979.

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 56710880989 in words is "fifty-six billion, seven hundred ten million, eight hundred eighty thousand, nine hundred eighty-nine".