79185228 has 48 divisors (see below), whose sum is σ = 193562880. Its totient is φ = 25147584.

The previous prime is 79185209. The next prime is 79185277. The reversal of 79185228 is 82258197.

It is a self number, because there is not a number n which added to its sum of digits gives 79185228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104226 + ... + 104982.

It is an arithmetic number, because the mean of its divisors is an integer number (4032560).

Almost surely, 2^79185228 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 79185228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96781440).

79185228 is an abundant number, since it is smaller than the sum of its proper divisors (114377652).

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

79185228 is a wasteful number, since it uses less digits than its factorization.

79185228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 79185228 is about 8898.6082057814. The cubic root of 79185228 is about 429.4191327587.

The spelling of 79185228 in words is "seventy-nine million, one hundred eighty-five thousand, two hundred twenty-eight".