8079979 has 4 divisors (see below), whose sum is σ = 8085880. Its totient is φ = 8074080.

The previous prime is 8079977. The next prime is 8079983. The reversal of 8079979 is 9799708.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8079979 - 2¹ = 8079977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8079977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (2021470).

Almost surely, 2^8079979 is an apocalyptic number.

8079979 is a deficient number, since it is larger than the sum of its proper divisors (5901).

8079979 is a wasteful number, since it uses less digits than its factorization.

8079979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 8079979 is about 2842.5303868209. The cubic root of 8079979 is about 200.6642828653.

The spelling of 8079979 in words is "eight million, seventy-nine thousand, nine hundred seventy-nine".