79163128 has 64 divisors (see below), whose sum is σ = 170644320. Its totient is φ = 34099200.

The previous prime is 79163111. The next prime is 79163131. The reversal of 79163128 is 82136197.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133200 + ... + 133792.

Almost surely, 2^79163128 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 79163128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85322160).

79163128 is an abundant number, since it is smaller than the sum of its proper divisors (91481192).

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

79163128 is a wasteful number, since it uses less digits than its factorization.

79163128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 79163128 is about 8897.3663519044. The cubic root of 79163128 is about 429.3791798278.

The spelling of 79163128 in words is "seventy-nine million, one hundred sixty-three thousand, one hundred twenty-eight".