79406279 has 4 divisors (see below), whose sum is σ = 79433376. Its totient is φ = 79379184.

The previous prime is 79406273. The next prime is 79406287. The reversal of 79406279 is 97260497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97260497 = 59 ⋅1648483.

It is a cyclic number.

It is not a de Polignac number, because 79406279 - 2⁸ = 79406023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79406273) 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, 8534 + ... + 15219.

It is an arithmetic number, because the mean of its divisors is an integer number (19858344).

Almost surely, 2^79406279 is an apocalyptic number.

79406279 is a deficient number, since it is larger than the sum of its proper divisors (27097).

79406279 is a wasteful number, since it uses less digits than its factorization.

79406279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27096.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 79406279 is about 8911.0200875096. The cubic root of 79406279 is about 429.8183458415.

The spelling of 79406279 in words is "seventy-nine million, four hundred six thousand, two hundred seventy-nine".