79331256 has 96 divisors (see below), whose sum is σ = 223663440. Its totient is φ = 25380864.

The previous prime is 79331243. The next prime is 79331261. The reversal of 79331256 is 65213397.

79331256 is a `hidden beast` number, since 79 + 331 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 79331256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258255 + ... + 258561.

Almost surely, 2^79331256 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 79331256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111831720).

79331256 is an abundant number, since it is smaller than the sum of its proper divisors (144332184).

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

79331256 is a wasteful number, since it uses less digits than its factorization.

79331256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 446 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 79331256 is about 8906.8095297924. The cubic root of 79331256 is about 429.6829391586.

The spelling of 79331256 in words is "seventy-nine million, three hundred thirty-one thousand, two hundred fifty-six".