6686868882 has 32 divisors (see below), whose sum is σ = 14027450112. Its totient is φ = 2122568064.

The previous prime is 6686868869. The next prime is 6686868901. The reversal of 6686868882 is 2888686866.

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, 310003 + ... + 330870.

It is an arithmetic number, because the mean of its divisors is an integer number (438357816).

Almost surely, 2^6686868882 is an apocalyptic number.

6686868882 is an abundant number, since it is smaller than the sum of its proper divisors (7340581230).

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

6686868882 is a wasteful number, since it uses less digits than its factorization.

6686868882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640962.

The product of its digits is 84934656, while the sum is 66.

The square root of 6686868882 is about 81773.2773098890. The cubic root of 6686868882 is about 1883.9712419148.

The spelling of 6686868882 in words is "six billion, six hundred eighty-six million, eight hundred sixty-eight thousand, eight hundred eighty-two".