79380870 has 16 divisors (see below), whose sum is σ = 190514160. Its totient is φ = 21168224.

The previous prime is 79380853. The next prime is 79380907. The reversal of 79380870 is 7808397.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322985 + ... + 1323044.

It is an arithmetic number, because the mean of its divisors is an integer number (11907135).

Almost surely, 2^79380870 is an apocalyptic number.

79380870 is an abundant number, since it is smaller than the sum of its proper divisors (111133290).

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

79380870 is a wasteful number, since it uses less digits than its factorization.

79380870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646039.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 79380870 is about 8909.5942668564. The cubic root of 79380870 is about 429.7724954815.

The spelling of 79380870 in words is "seventy-nine million, three hundred eighty thousand, eight hundred seventy".