79104491 has 4 divisors (see below), whose sum is σ = 79132392. Its totient is φ = 79076592.

The previous prime is 79104469. The next prime is 79104503. The reversal of 79104491 is 19440197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79104491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79104691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9146 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (19783098).

Almost surely, 2^79104491 is an apocalyptic number.

79104491 is a deficient number, since it is larger than the sum of its proper divisors (27901).

79104491 is a wasteful number, since it uses less digits than its factorization.

79104491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 79104491 is about 8894.0705529021. The cubic root of 79104491 is about 429.2731383470.

The spelling of 79104491 in words is "seventy-nine million, one hundred four thousand, four hundred ninety-one".