868866668868 has 24 divisors (see below), whose sum is σ = 2211660612000. Its totient is φ = 263292929920.

The previous prime is 868866668783. The next prime is 868866668899.

868866668868 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291161493 + ... + 3291161756.

It is an arithmetic number, because the mean of its divisors is an integer number (92152525500).

Almost surely, 2^868866668868 is an apocalyptic number.

It is an amenable number.

868866668868 is an abundant number, since it is smaller than the sum of its proper divisors (1342793943132).

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

868866668868 is a wasteful number, since it uses less digits than its factorization.

868866668868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582323267 (or 6582323265 counting only the distinct ones).

The product of its digits is 12230590464, while the sum is 84.

The spelling of 868866668868 in words is "eight hundred sixty-eight billion, eight hundred sixty-six million, six hundred sixty-eight thousand, eight hundred sixty-eight".