8108979 has 4 divisors (see below), whose sum is σ = 10811976. Its totient is φ = 5405984.

The previous prime is 8108963. The next prime is 8108999. The reversal of 8108979 is 9798018.

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

It is a cyclic number.

It is not a de Polignac number, because 8108979 - 2⁴ = 8108963 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8108979.

It is not an unprimeable number, because it can be changed into a prime (8108929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351494 + ... + 1351499.

It is an arithmetic number, because the mean of its divisors is an integer number (2702994).

Almost surely, 2^8108979 is an apocalyptic number.

8108979 is a deficient number, since it is larger than the sum of its proper divisors (2702997).

8108979 is a wasteful number, since it uses less digits than its factorization.

8108979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702996.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 8108979 is about 2847.6269067418. The cubic root of 8108979 is about 200.9040655035.

The spelling of 8108979 in words is "eight million, one hundred eight thousand, nine hundred seventy-nine".