79079906 has 4 divisors (see below), whose sum is σ = 118619862. Its totient is φ = 39539952.

The previous prime is 79079893. The next prime is 79079909. The reversal of 79079906 is 60997097.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 24453025 = 7391^2 + 4945^2 .

It is not an unprimeable number, because it can be changed into a prime (79079909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19769975 + ... + 19769978.

Almost surely, 2^79079906 is an apocalyptic number.

79079906 is a deficient number, since it is larger than the sum of its proper divisors (39539956).

79079906 is a wasteful number, since it uses less digits than its factorization.

79079906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39539955.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 79079906 is about 8892.6883449270. The cubic root of 79079906 is about 429.2286622644.

The spelling of 79079906 in words is "seventy-nine million, seventy-nine thousand, nine hundred six".