868868896 has 24 divisors (see below), whose sum is σ = 1954955520. Its totient is φ = 372372288.

The previous prime is 868868873. The next prime is 868868921. The reversal of 868868896 is 698868868.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

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, 1939216 + ... + 1939663.

It is an arithmetic number, because the mean of its divisors is an integer number (81456480).

Almost surely, 2^868868896 is an apocalyptic number.

It is an amenable number.

868868896 is an abundant number, since it is smaller than the sum of its proper divisors (1086086624).

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

868868896 is a wasteful number, since it uses less digits than its factorization.

868868896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878896 (or 3878888 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 67.

The square root of 868868896 is about 29476.5821627949. The cubic root of 868868896 is about 954.2263760231.

The spelling of 868868896 in words is "eight hundred sixty-eight million, eight hundred sixty-eight thousand, eight hundred ninety-six".