6688047084 has 12 divisors (see below), whose sum is σ = 15605443224. Its totient is φ = 2229349024.

The previous prime is 6688047049. The next prime is 6688047089. The reversal of 6688047084 is 4807408866.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6688047089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278668617 + ... + 278668640.

It is an arithmetic number, because the mean of its divisors is an integer number (1300453602).

Almost surely, 2^6688047084 is an apocalyptic number.

It is an amenable number.

6688047084 is an abundant number, since it is smaller than the sum of its proper divisors (8917396140).

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

6688047084 is a wasteful number, since it uses less digits than its factorization.

6688047084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557337264 (or 557337262 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The square root of 6688047084 is about 81780.4810697516. The cubic root of 6688047084 is about 1884.0818850458.

The spelling of 6688047084 in words is "six billion, six hundred eighty-eight million, forty-seven thousand, eighty-four".