7979679 has 24 divisors (see below), whose sum is σ = 12235392. Its totient is φ = 5002560.

The previous prime is 7979663. The next prime is 7979687. The reversal of 7979679 is 9769797.

It is not a de Polignac number, because 7979679 - 2⁴ = 7979663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9937 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (509808).

Almost surely, 2^7979679 is an apocalyptic number.

7979679 is a deficient number, since it is larger than the sum of its proper divisors (4255713).

7979679 is a wasteful number, since it uses less digits than its factorization.

7979679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 844 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 7979679 is about 2824.8325614096. The cubic root of 7979679 is about 199.8305147477.

The spelling of 7979679 in words is "seven million, nine hundred seventy-nine thousand, six hundred seventy-nine".