79380793 has 4 divisors (see below), whose sum is σ = 79913700. Its totient is φ = 78847888.

The previous prime is 79380781. The next prime is 79380811. The reversal of 79380793 is 39708397.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 62141689 = 4152^2 + 7883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79380793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79380713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266230 + ... + 266527.

It is an arithmetic number, because the mean of its divisors is an integer number (19978425).

Almost surely, 2^79380793 is an apocalyptic number.

It is an amenable number.

79380793 is a deficient number, since it is larger than the sum of its proper divisors (532907).

79380793 is a wasteful number, since it uses less digits than its factorization.

79380793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532906.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 79380793 is about 8909.5899456709. The cubic root of 79380793 is about 429.7723565206.

The spelling of 79380793 in words is "seventy-nine million, three hundred eighty thousand, seven hundred ninety-three".