79099906 has 16 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 38463520.

The previous prime is 79099901. The next prime is 79099927. The reversal of 79099906 is 60999097.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 79099906.

It is not an unprimeable number, because it can be changed into a prime (79099901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28095 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 2^79099906 is an apocalyptic number.

79099906 is a deficient number, since it is larger than the sum of its proper divisors (42827774).

79099906 is a wasteful number, since it uses less digits than its factorization.

79099906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 79099906 is about 8893.8127931726. The cubic root of 79099906 is about 429.2648444421.

The spelling of 79099906 in words is "seventy-nine million, ninety-nine thousand, nine hundred six".