868340664 has 48 divisors (see below), whose sum is σ = 2357971200. Its totient is φ = 288681984.

The previous prime is 868340663. The next prime is 868340677. The reversal of 868340664 is 466043868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868340663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11832 + ... + 43320.

It is an arithmetic number, because the mean of its divisors is an integer number (49124400).

Almost surely, 2^868340664 is an apocalyptic number.

It is an amenable number.

868340664 is an abundant number, since it is smaller than the sum of its proper divisors (1489630536).

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

868340664 is a wasteful number, since it uses less digits than its factorization.

868340664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31884 (or 31877 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 868340664 is about 29467.6206029601. The cubic root of 868340664 is about 954.0329616922.

The spelling of 868340664 in words is "eight hundred sixty-eight million, three hundred forty thousand, six hundred sixty-four".