79789472 has 48 divisors (see below), whose sum is σ = 181258560. Its totient is φ = 33865728.

The previous prime is 79789459. The next prime is 79789499. The reversal of 79789472 is 27498797.

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, 22304 + ... + 25632.

It is an arithmetic number, because the mean of its divisors is an integer number (3776220).

Almost surely, 2^79789472 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 79789472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90629280).

79789472 is an abundant number, since it is smaller than the sum of its proper divisors (101469088).

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

79789472 is a wasteful number, since it uses less digits than its factorization.

79789472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453 (or 3445 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 53.

The square root of 79789472 is about 8932.4952840738. The cubic root of 79789472 is about 430.5086319400.

The spelling of 79789472 in words is "seventy-nine million, seven hundred eighty-nine thousand, four hundred seventy-two".