79422427 has 16 divisors (see below), whose sum is σ = 96279552. Its totient is φ = 64041120.

The previous prime is 79422407. The next prime is 79422439. The reversal of 79422427 is 72422497.

It is a cyclic number.

It is not a de Polignac number, because 79422427 - 2¹⁵ = 79389659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79422407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778 + ... + 13864.

It is an arithmetic number, because the mean of its divisors is an integer number (6017472).

Almost surely, 2^79422427 is an apocalyptic number.

79422427 is a deficient number, since it is larger than the sum of its proper divisors (16857125).

79422427 is a wasteful number, since it uses less digits than its factorization.

79422427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178.

The product of its digits is 56448, while the sum is 37.

The square root of 79422427 is about 8911.9261105555. The cubic root of 79422427 is about 429.8474797098.

The spelling of 79422427 in words is "seventy-nine million, four hundred twenty-two thousand, four hundred twenty-seven".