868706444 has 12 divisors (see below), whose sum is σ = 1521214968. Its totient is φ = 434073600.

The previous prime is 868706417. The next prime is 868706453. The reversal of 868706444 is 444607868.

868706444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62837 + ... + 75404.

It is an arithmetic number, because the mean of its divisors is an integer number (126767914).

Almost surely, 2^868706444 is an apocalyptic number.

It is an amenable number.

868706444 is a deficient number, since it is larger than the sum of its proper divisors (652508524).

868706444 is a wasteful number, since it uses less digits than its factorization.

868706444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139816 (or 139814 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 868706444 is about 29473.8264227772. The cubic root of 868706444 is about 954.1669019007.

The spelling of 868706444 in words is "eight hundred sixty-eight million, seven hundred six thousand, four hundred forty-four".