79369818 has 32 divisors (see below), whose sum is σ = 174804480. Its totient is φ = 23824560.

The previous prime is 79369817. The next prime is 79369831. The reversal of 79369818 is 81896397.

It is not an unprimeable number, because it can be changed into a prime (79369813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (5462640).

Almost surely, 2^79369818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79369818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87402240).

79369818 is an abundant number, since it is smaller than the sum of its proper divisors (95434662).

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

79369818 is a wasteful number, since it uses less digits than its factorization.

79369818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362.

The product of its digits is 653184, while the sum is 51.

The square root of 79369818 is about 8908.9740150031. The cubic root of 79369818 is about 429.7525491725.

The spelling of 79369818 in words is "seventy-nine million, three hundred sixty-nine thousand, eight hundred eighteen".