79112196 has 18 divisors (see below), whose sum is σ = 199978142. Its totient is φ = 26370720.

The previous prime is 79112191. The next prime is 79112207. The reversal of 79112196 is 69121197.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 21958596 = 7560^2 + 4686^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2197561 = 79112196 / (7 + 9 + 1 + 1 + 2 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 79112196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79112191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1098745 + ... + 1098816.

Almost surely, 2^79112196 is an apocalyptic number.

It is an amenable number.

79112196 is an abundant number, since it is smaller than the sum of its proper divisors (120865946).

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

79112196 is a wasteful number, since it uses less digits than its factorization.

79112196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197571 (or 2197566 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 79112196 is about 8894.5036961036. The cubic root of 79112196 is about 429.2870753650.

Subtracting from 79112196 its reverse (69121197), we obtain a palindrome (9990999).

The spelling of 79112196 in words is "seventy-nine million, one hundred twelve thousand, one hundred ninety-six".