79972822 has 8 divisors (see below), whose sum is σ = 120035016. Its totient is φ = 39961152.

The previous prime is 79972759. The next prime is 79972829. The reversal of 79972822 is 22827997.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79972829) 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, 8388 + ... + 15175.

It is an arithmetic number, because the mean of its divisors is an integer number (15004377).

Almost surely, 2^79972822 is an apocalyptic number.

79972822 is a deficient number, since it is larger than the sum of its proper divisors (40062194).

79972822 is a wasteful number, since it uses less digits than its factorization.

79972822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25262.

The product of its digits is 254016, while the sum is 46.

The square root of 79972822 is about 8942.7524845542. The cubic root of 79972822 is about 430.8381381248.

The spelling of 79972822 in words is "seventy-nine million, nine hundred seventy-two thousand, eight hundred twenty-two".