79220799 has 36 divisors (see below), whose sum is σ = 140955984. Its totient is φ = 42602112.

The previous prime is 79220789. The next prime is 79220831. The reversal of 79220799 is 99702297.

It is not a de Polignac number, because 79220799 - 2⁸ = 79220543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79220759) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2214 + ... + 12780.

It is an arithmetic number, because the mean of its divisors is an integer number (3915444).

Almost surely, 2^79220799 is an apocalyptic number.

79220799 is a deficient number, since it is larger than the sum of its proper divisors (61735185).

79220799 is a wasteful number, since it uses less digits than its factorization.

79220799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604 (or 10594 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 79220799 is about 8900.6066647167. The cubic root of 79220799 is about 429.4834232908.

The spelling of 79220799 in words is "seventy-nine million, two hundred twenty thousand, seven hundred ninety-nine".