79949291 has 8 divisors (see below), whose sum is σ = 81521664. Its totient is φ = 78388200.

The previous prime is 79949263. The next prime is 79949297. The reversal of 79949291 is 19294997.

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

It is a cyclic number.

It is not a de Polignac number, because 79949291 - 2¹⁸ = 79687147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79949297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12266 + ... + 17616.

It is an arithmetic number, because the mean of its divisors is an integer number (10190208).

Almost surely, 2^79949291 is an apocalyptic number.

79949291 is a deficient number, since it is larger than the sum of its proper divisors (1572373).

79949291 is a wasteful number, since it uses less digits than its factorization.

79949291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641.

The product of its digits is 367416, while the sum is 50.

The square root of 79949291 is about 8941.4367413744. The cubic root of 79949291 is about 430.7958777399.

The spelling of 79949291 in words is "seventy-nine million, nine hundred forty-nine thousand, two hundred ninety-one".