6879731136 has 56 divisors (see below), whose sum is σ = 18307927824. Its totient is φ = 2279976960.

The previous prime is 6879731099. The next prime is 6879731137. The reversal of 6879731136 is 6311379786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6879731137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70345 + ... + 136776.

Almost surely, 2^6879731136 is an apocalyptic number.

It is an amenable number.

6879731136 is an abundant number, since it is smaller than the sum of its proper divisors (11428196688).

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

6879731136 is a wasteful number, since it uses less digits than its factorization.

6879731136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207309 (or 207299 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 6879731136 is about 82944.1446757997. The cubic root of 6879731136 is about 1901.9123069782.

The spelling of 6879731136 in words is "six billion, eight hundred seventy-nine million, seven hundred thirty-one thousand, one hundred thirty-six".