79749107 has 2 divisors, whose sum is σ = 79749108. Its totient is φ = 79749106.

The previous prime is 79749079. The next prime is 79749113. The reversal of 79749107 is 70194797.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79749107 - 2¹⁸ = 79486963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79749127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39874553 + 39874554.

It is an arithmetic number, because the mean of its divisors is an integer number (39874554).

Almost surely, 2^79749107 is an apocalyptic number.

79749107 is a deficient number, since it is larger than the sum of its proper divisors (1).

79749107 is an equidigital number, since it uses as much as digits as its factorization.

79749107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 79749107 is about 8930.2355512047. The cubic root of 79749107 is about 430.4360224770.

The spelling of 79749107 in words is "seventy-nine million, seven hundred forty-nine thousand, one hundred seven".