79575078 has 128 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 20908800.

The previous prime is 79575073. The next prime is 79575091. The reversal of 79575078 is 87057597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79575073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 894058 + ... + 894146.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 2^79575078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79575078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99532800).

79575078 is an abundant number, since it is smaller than the sum of its proper divisors (119490522).

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

79575078 is a wasteful number, since it uses less digits than its factorization.

79575078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 617400, while the sum is 48.

The square root of 79575078 is about 8920.4864217149. The cubic root of 79575078 is about 430.1226943908.

The spelling of 79575078 in words is "seventy-nine million, five hundred seventy-five thousand, seventy-eight".