79709107 has 4 divisors (see below), whose sum is σ = 84397896. Its totient is φ = 75020320.

The previous prime is 79709101. The next prime is 79709167. The reversal of 79709107 is 70190797.

It is a happy number.

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

It is not a de Polignac number, because 79709107 - 2¹¹ = 79707059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79709107.

It is not an unprimeable number, because it can be changed into a prime (79709101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344369 + ... + 2344402.

It is an arithmetic number, because the mean of its divisors is an integer number (21099474).

Almost surely, 2^79709107 is an apocalyptic number.

79709107 is a deficient number, since it is larger than the sum of its proper divisors (4688789).

79709107 is a wasteful number, since it uses less digits than its factorization.

79709107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688788.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 79709107 is about 8927.9956877230. The cubic root of 79709107 is about 430.3640454106.

The spelling of 79709107 in words is "seventy-nine million, seven hundred nine thousand, one hundred seven".