79359025806 has 64 divisors (see below), whose sum is σ = 179991878400. Its totient is φ = 25910484768.

The previous prime is 79359025717. The next prime is 79359025819. The reversal of 79359025806 is 60852095397.

79359025806 is a `hidden beast` number, since 7 + 9 + 3 + 59 + 0 + 2 + 580 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837561 + ... + 927483.

It is an arithmetic number, because the mean of its divisors is an integer number (2812373100).

Almost surely, 2^79359025806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79359025806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89995939200).

79359025806 is an abundant number, since it is smaller than the sum of its proper divisors (100632852594).

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

79359025806 is a wasteful number, since it uses less digits than its factorization.

79359025806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90270 (or 90264 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 79359025806 in words is "seventy-nine billion, three hundred fifty-nine million, twenty-five thousand, eight hundred six".