6885715656 has 64 divisors (see below), whose sum is σ = 17499283200. Its totient is φ = 2257417728.

The previous prime is 6885715631. The next prime is 6885715663. The reversal of 6885715656 is 6565175886.

It is a junction number, because it is equal to n+sod(n) for n = 6885715596 and 6885715605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637630 + ... + 648338.

It is an arithmetic number, because the mean of its divisors is an integer number (273426300).

Almost surely, 2^6885715656 is an apocalyptic number.

It is an amenable number.

6885715656 is an abundant number, since it is smaller than the sum of its proper divisors (10613567544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6885715656 is a wasteful number, since it uses less digits than its factorization.

6885715656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158 (or 11154 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 57.

The square root of 6885715656 is about 82980.2124364598. The cubic root of 6885715656 is about 1902.4636237514.

The spelling of 6885715656 in words is "six billion, eight hundred eighty-five million, seven hundred fifteen thousand, six hundred fifty-six".