79942355 has 4 divisors (see below), whose sum is σ = 95930832. Its totient is φ = 63953880.

The previous prime is 79942349. The next prime is 79942361. The reversal of 79942355 is 55324997.

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

It is an interprime number because it is at equal distance from previous prime (79942349) and next prime (79942361).

It is not a de Polignac number, because 79942355 - 2⁸ = 79942099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994231 + ... + 7994240.

It is an arithmetic number, because the mean of its divisors is an integer number (23982708).

Almost surely, 2^79942355 is an apocalyptic number.

79942355 is a deficient number, since it is larger than the sum of its proper divisors (15988477).

79942355 is a wasteful number, since it uses less digits than its factorization.

79942355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15988476.

The product of its digits is 340200, while the sum is 44.

The square root of 79942355 is about 8941.0488758311. The cubic root of 79942355 is about 430.7834194821.

The spelling of 79942355 in words is "seventy-nine million, nine hundred forty-two thousand, three hundred fifty-five".