867868844 has 24 divisors (see below), whose sum is σ = 1587182688. Its totient is φ = 414444800.

The previous prime is 867868829. The next prime is 867868891. The reversal of 867868844 is 448868768.

It is a happy number.

867868844 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 7 ways as a sum of consecutive naturals, for example, 57764 + ... + 71220.

It is an arithmetic number, because the mean of its divisors is an integer number (66132612).

Almost surely, 2^867868844 is an apocalyptic number.

It is an amenable number.

867868844 is a deficient number, since it is larger than the sum of its proper divisors (719313844).

867868844 is a wasteful number, since it uses less digits than its factorization.

867868844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185 (or 14183 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 59.

The square root of 867868844 is about 29459.6137788668. The cubic root of 867868844 is about 953.8601365163.

The spelling of 867868844 in words is "eight hundred sixty-seven million, eight hundred sixty-eight thousand, eight hundred forty-four".