79399093 has 4 divisors (see below), whose sum is σ = 79886368. Its totient is φ = 78911820.

The previous prime is 79399069. The next prime is 79399097. The reversal of 79399093 is 39099397.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39099397 = 19 ⋅2057863.

It is a cyclic number.

It is not a de Polignac number, because 79399093 - 2²⁵ = 45844661 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 (79399097) 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, 243393 + ... + 243718.

It is an arithmetic number, because the mean of its divisors is an integer number (19971592).

Almost surely, 2^79399093 is an apocalyptic number.

It is an amenable number.

79399093 is a deficient number, since it is larger than the sum of its proper divisors (487275).

79399093 is a wasteful number, since it uses less digits than its factorization.

79399093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487274.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 79399093 is about 8910.6168697796. The cubic root of 79399093 is about 429.8053797476.

The spelling of 79399093 in words is "seventy-nine million, three hundred ninety-nine thousand, ninety-three".