79933199 has 4 divisors (see below), whose sum is σ = 79954680. Its totient is φ = 79911720.

The previous prime is 79933181. The next prime is 79933207. The reversal of 79933199 is 99133997.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79933199 - 2¹² = 79929103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79933109) 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, 3557 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (19988670).

Almost surely, 2^79933199 is an apocalyptic number.

79933199 is a deficient number, since it is larger than the sum of its proper divisors (21481).

79933199 is a wasteful number, since it uses less digits than its factorization.

79933199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480.

The product of its digits is 413343, while the sum is 50.

The square root of 79933199 is about 8940.5368407048. The cubic root of 79933199 is about 430.7669726162.

The spelling of 79933199 in words is "seventy-nine million, nine hundred thirty-three thousand, one hundred ninety-nine".