79451118 has 40 divisors (see below), whose sum is σ = 178761528. Its totient is φ = 26374896.

The previous prime is 79451089. The next prime is 79451137. The reversal of 79451118 is 81115497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44980 + ... + 46712.

Almost surely, 2^79451118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79451118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89380764).

79451118 is an abundant number, since it is smaller than the sum of its proper divisors (99310410).

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

79451118 is a wasteful number, since it uses less digits than its factorization.

79451118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2021 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 79451118 is about 8913.5356621264. The cubic root of 79451118 is about 429.8992336444.

The spelling of 79451118 in words is "seventy-nine million, four hundred fifty-one thousand, one hundred eighteen".