868856626 has 32 divisors (see below), whose sum is σ = 1442370240. Its totient is φ = 389241600.

The previous prime is 868856609. The next prime is 868856627. The reversal of 868856626 is 626658868.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (868856627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894321 + ... + 895291.

It is an arithmetic number, because the mean of its divisors is an integer number (45074070).

Almost surely, 2^868856626 is an apocalyptic number.

868856626 is a deficient number, since it is larger than the sum of its proper divisors (573513614).

868856626 is a wasteful number, since it uses less digits than its factorization.

868856626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its digits is 6635520, while the sum is 55.

The square root of 868856626 is about 29476.3740307386. The cubic root of 868856626 is about 954.2218842013.

The spelling of 868856626 in words is "eight hundred sixty-eight million, eight hundred fifty-six thousand, six hundred twenty-six".