79099120 has 80 divisors (see below), whose sum is σ = 190523520. Its totient is φ = 30523392.

The previous prime is 79099103. The next prime is 79099123. The reversal of 79099120 is 2199097.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 79099120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79099123) 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, 409744 + ... + 409936.

It is an arithmetic number, because the mean of its divisors is an integer number (2381544).

Almost surely, 2^79099120 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 79099120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95261760).

79099120 is an abundant number, since it is smaller than the sum of its proper divisors (111424400).

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

79099120 is a wasteful number, since it uses less digits than its factorization.

79099120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 79099120 is about 8893.7686050403. The cubic root of 79099120 is about 429.2634225977.

The spelling of 79099120 in words is "seventy-nine million, ninety-nine thousand, one hundred twenty".