79169280 has 144 divisors (see below), whose sum is σ = 258279840. Its totient is φ = 20660224.

The previous prime is 79169261. The next prime is 79169317. The reversal of 79169280 is 8296197.

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, 203326 + ... + 203714.

It is an arithmetic number, because the mean of its divisors is an integer number (1793610).

Almost surely, 2^79169280 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 79169280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129139920).

79169280 is an abundant number, since it is smaller than the sum of its proper divisors (179110560).

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

79169280 is a wasteful number, since it uses less digits than its factorization.

79169280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 79169280 is about 8897.7120654694. The cubic root of 79169280 is about 429.3903023135.

The spelling of 79169280 in words is "seventy-nine million, one hundred sixty-nine thousand, two hundred eighty".