79626228 has 144 divisors (see below), whose sum is σ = 221652480. Its totient is φ = 22176000.

The previous prime is 79626221. The next prime is 79626229. The reversal of 79626228 is 82262697.

It is a self number, because there is not a number n which added to its sum of digits gives 79626228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79626221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1305318 + ... + 1305378.

Almost surely, 2^79626228 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 79626228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110826240).

79626228 is an abundant number, since it is smaller than the sum of its proper divisors (142026252).

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

79626228 is a wasteful number, since it uses less digits than its factorization.

79626228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 137 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 79626228 is about 8923.3529572689. The cubic root of 79626228 is about 430.2148340578.

The spelling of 79626228 in words is "seventy-nine million, six hundred twenty-six thousand, two hundred twenty-eight".