79427199 has 8 divisors (see below), whose sum is σ = 105944112. Its totient is φ = 52930880.

The previous prime is 79427191. The next prime is 79427207. The reversal of 79427199 is 99172497.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79427191) and next prime (79427207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79427199 - 2³ = 79427191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79427191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12427 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (13243014).

Almost surely, 2^79427199 is an apocalyptic number.

79427199 is a deficient number, since it is larger than the sum of its proper divisors (26516913).

79427199 is a wasteful number, since it uses less digits than its factorization.

79427199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10297.

The product of its digits is 285768, while the sum is 48.

The square root of 79427199 is about 8912.1938376586. The cubic root of 79427199 is about 429.8560884918.

The spelling of 79427199 in words is "seventy-nine million, four hundred twenty-seven thousand, one hundred ninety-nine".