79679822 has 4 divisors (see below), whose sum is σ = 119519736. Its totient is φ = 39839910.

The previous prime is 79679807. The next prime is 79679837. The reversal of 79679822 is 22897697.

It is a happy number.

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 (79679807) and next prime (79679837).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19919954 + ... + 19919957.

It is an arithmetic number, because the mean of its divisors is an integer number (29879934).

Almost surely, 2^79679822 is an apocalyptic number.

79679822 is a deficient number, since it is larger than the sum of its proper divisors (39839914).

79679822 is a wasteful number, since it uses less digits than its factorization.

79679822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39839913.

The product of its digits is 762048, while the sum is 50.

The square root of 79679822 is about 8926.3554712996. The cubic root of 79679822 is about 430.3113339312.

The spelling of 79679822 in words is "seventy-nine million, six hundred seventy-nine thousand, eight hundred twenty-two".