868806814220 has 24 divisors (see below), whose sum is σ = 1824543530208. Its totient is φ = 347513350400.

The previous prime is 868806814217. The next prime is 868806814229. The reversal of 868806814220 is 22418608868.

It is not an unprimeable number, because it can be changed into a prime (868806814229) by changing a digit.

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, 199625 + ... + 1333215.

It is an arithmetic number, because the mean of its divisors is an integer number (76022647092).

Almost surely, 2^868806814220 is an apocalyptic number.

It is an amenable number.

868806814220 is an abundant number, since it is smaller than the sum of its proper divisors (955736715988).

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

868806814220 is a wasteful number, since it uses less digits than its factorization.

868806814220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171921 (or 1171919 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 53.

The spelling of 868806814220 in words is "eight hundred sixty-eight billion, eight hundred six million, eight hundred fourteen thousand, two hundred twenty".