8079864 has 128 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 2225664.

The previous prime is 8079857. The next prime is 8079887. The reversal of 8079864 is 4689708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171889 + ... + 171935.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

Almost surely, 2^8079864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8079864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12096000).

8079864 is an abundant number, since it is smaller than the sum of its proper divisors (16112136).

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

8079864 is a wasteful number, since it uses less digits than its factorization.

8079864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8079864 is about 2842.5101582932. The cubic root of 8079864 is about 200.6633308619.

The spelling of 8079864 in words is "eight million, seventy-nine thousand, eight hundred sixty-four".