79911051 has 8 divisors (see below), whose sum is σ = 116234304. Its totient is φ = 48430920.

The previous prime is 79911031. The next prime is 79911059. The reversal of 79911051 is 15011997.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79911051 - 2¹⁵ = 79878283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2421547 = 79911051 / (7 + 9 + 9 + 1 + 1 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (79911059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210741 + ... + 1210806.

It is an arithmetic number, because the mean of its divisors is an integer number (14529288).

Almost surely, 2^79911051 is an apocalyptic number.

79911051 is a deficient number, since it is larger than the sum of its proper divisors (36323253).

79911051 is a wasteful number, since it uses less digits than its factorization.

79911051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421561.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 79911051 is about 8939.2981268106. The cubic root of 79911051 is about 430.7271831072.

The spelling of 79911051 in words is "seventy-nine million, nine hundred eleven thousand, fifty-one".