79380193 has 16 divisors (see below), whose sum is σ = 84015360. Its totient is φ = 74921616.

The previous prime is 79380187. The next prime is 79380209. The reversal of 79380193 is 39108397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79380193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79381193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169746 + ... + 170212.

It is an arithmetic number, because the mean of its divisors is an integer number (5250960).

Almost surely, 2^79380193 is an apocalyptic number.

It is an amenable number.

79380193 is a deficient number, since it is larger than the sum of its proper divisors (4635167).

79380193 is a wasteful number, since it uses less digits than its factorization.

79380193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 79380193 is about 8909.5562740240. The cubic root of 79380193 is about 429.7712737059.

The spelling of 79380193 in words is "seventy-nine million, three hundred eighty thousand, one hundred ninety-three".