79418131 has 4 divisors (see below), whose sum is σ = 85527232. Its totient is φ = 73309032.

The previous prime is 79418123. The next prime is 79418159. The reversal of 79418131 is 13181497.

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 79418131 - 2³ = 79418123 is a prime.

It is a super-2 number, since 2×79418131² = 12614479063066322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79418161) 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, 3054531 + ... + 3054556.

It is an arithmetic number, because the mean of its divisors is an integer number (21381808).

Almost surely, 2^79418131 is an apocalyptic number.

79418131 is a deficient number, since it is larger than the sum of its proper divisors (6109101).

79418131 is a wasteful number, since it uses less digits than its factorization.

79418131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109100.

The product of its digits is 6048, while the sum is 34.

The square root of 79418131 is about 8911.6850819584. The cubic root of 79418131 is about 429.8397293461.

The spelling of 79418131 in words is "seventy-nine million, four hundred eighteen thousand, one hundred thirty-one".