8168979 has 32 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 4118400.

The previous prime is 8168947. The next prime is 8168983. The reversal of 8168979 is 9798618.

It is a happy number.

8168979 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8168979 - 2⁵ = 8168947 is a prime.

8168979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8168939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5629 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (437472).

Almost surely, 2^8168979 is an apocalyptic number.

8168979 is a deficient number, since it is larger than the sum of its proper divisors (5830125).

8168979 is a wasteful number, since it uses less digits than its factorization.

8168979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 217728, while the sum is 48.

The square root of 8168979 is about 2858.1425786689. The cubic root of 8168979 is about 201.3983585143.

The spelling of 8168979 in words is "eight million, one hundred sixty-eight thousand, nine hundred seventy-nine".