79018128 has 120 divisors (see below), whose sum is σ = 254541248. Its totient is φ = 22415616.

The previous prime is 79018123. The next prime is 79018141. The reversal of 79018128 is 82181097.

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

It is a junction number, because it is equal to n+sod(n) for n = 79018092 and 79018101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79018123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279075 + ... + 279357.

Almost surely, 2^79018128 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 79018128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127270624).

79018128 is an abundant number, since it is smaller than the sum of its proper divisors (175523120).

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

79018128 is a wasteful number, since it uses less digits than its factorization.

79018128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 79018128 is about 8889.2141384939. The cubic root of 79018128 is about 429.1168605956.

The spelling of 79018128 in words is "seventy-nine million, eighteen thousand, one hundred twenty-eight".