79855256 has 96 divisors (see below), whose sum is σ = 180169920. Its totient is φ = 32855040.

The previous prime is 79855247. The next prime is 79855289. The reversal of 79855256 is 65255897.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 79855256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699025 + ... + 1699071.

It is an arithmetic number, because the mean of its divisors is an integer number (1876770).

Almost surely, 2^79855256 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 79855256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90084960).

79855256 is an abundant number, since it is smaller than the sum of its proper divisors (100314664).

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

79855256 is a wasteful number, since it uses less digits than its factorization.

79855256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 110 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 79855256 is about 8936.1768111424. The cubic root of 79855256 is about 430.6269132100.

The spelling of 79855256 in words is "seventy-nine million, eight hundred fifty-five thousand, two hundred fifty-six".