6684882864 has 40 divisors (see below), whose sum is σ = 18839216832. Its totient is φ = 2025721920.

The previous prime is 6684882791. The next prime is 6684882877. The reversal of 6684882864 is 4682884866.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 6684882798 and 6684882807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6329854 + ... + 6330909.

Almost surely, 2^6684882864 is an apocalyptic number.

It is an amenable number.

6684882864 is an abundant number, since it is smaller than the sum of its proper divisors (12154333968).

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

6684882864 is a wasteful number, since it uses less digits than its factorization.

6684882864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12660785 (or 12660779 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 60.

The square root of 6684882864 is about 81761.1329667098. The cubic root of 6684882864 is about 1883.7847086086.

The spelling of 6684882864 in words is "six billion, six hundred eighty-four million, eight hundred eighty-two thousand, eight hundred sixty-four".