79090291 has 8 divisors (see below), whose sum is σ = 91219040. Its totient is φ = 67169088.

The previous prime is 79090289. The next prime is 79090321. The reversal of 79090291 is 19209097.

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

It is not a de Polignac number, because 79090291 - 2¹ = 79090289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79090291.

It is not an unprimeable number, because it can be changed into a prime (79090241) 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, 51066 + ... + 52591.

It is an arithmetic number, because the mean of its divisors is an integer number (11402380).

Almost surely, 2^79090291 is an apocalyptic number.

79090291 is a deficient number, since it is larger than the sum of its proper divisors (12128749).

79090291 is a wasteful number, since it uses less digits than its factorization.

79090291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103773.

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

The square root of 79090291 is about 8893.2722324238. The cubic root of 79090291 is about 429.2474506215.

The spelling of 79090291 in words is "seventy-nine million, ninety thousand, two hundred ninety-one".