868563594 has 32 divisors (see below), whose sum is σ = 1935002880. Its totient is φ = 288792000.

The previous prime is 868563589. The next prime is 868563607. The reversal of 868563594 is 495365868.

It is a happy number.

868563594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 868563594.

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, 1599 + ... + 41709.

It is an arithmetic number, because the mean of its divisors is an integer number (60468840).

Almost surely, 2^868563594 is an apocalyptic number.

868563594 is an abundant number, since it is smaller than the sum of its proper divisors (1066439286).

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

868563594 is a wasteful number, since it uses less digits than its factorization.

868563594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40523 (or 40517 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 868563594 is about 29471.4029866242. The cubic root of 868563594 is about 954.1145979973.

The spelling of 868563594 in words is "eight hundred sixty-eight million, five hundred sixty-three thousand, five hundred ninety-four".