79871232 has 144 divisors (see below), whose sum is σ = 247242240. Its totient is φ = 22419456.

The previous prime is 79871227. The next prime is 79871243. The reversal of 79871232 is 23217897.

Its product of digits (42336) is a multiple of the sum of its prime factors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446119 + ... + 446297.

It is an arithmetic number, because the mean of its divisors is an integer number (1716960).

Almost surely, 2^79871232 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 79871232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123621120).

79871232 is an abundant number, since it is smaller than the sum of its proper divisors (167371008).

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

79871232 is a wasteful number, since it uses less digits than its factorization.

79871232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 274 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 79871232 is about 8937.0706610164. The cubic root of 79871232 is about 430.6556286516.

The spelling of 79871232 in words is "seventy-nine million, eight hundred seventy-one thousand, two hundred thirty-two".