79328256 has 264 divisors, whose sum is σ = 268828416. Its totient is φ = 20643840.

The previous prime is 79328251. The next prime is 79328257. The reversal of 79328256 is 65282397.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (181440) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79328251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2558961 + ... + 2558991.

Almost surely, 2^79328256 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 79328256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134414208).

79328256 is an abundant number, since it is smaller than the sum of its proper divisors (189500160).

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

79328256 is a wasteful number, since it uses less digits than its factorization.

79328256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 60 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 79328256 is about 8906.6411177278. The cubic root of 79328256 is about 429.6775227770.

The spelling of 79328256 in words is "seventy-nine million, three hundred twenty-eight thousand, two hundred fifty-six".