8668279 has 2 divisors, whose sum is σ = 8668280. Its totient is φ = 8668278.

The previous prime is 8668273. The next prime is 8668301. The reversal of 8668279 is 9728668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8668279 - 2⁷ = 8668151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8668273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334139 + 4334140.

It is an arithmetic number, because the mean of its divisors is an integer number (4334140).

Almost surely, 2^8668279 is an apocalyptic number.

8668279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8668279 is an equidigital number, since it uses as much as digits as its factorization.

8668279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 8668279 is about 2944.1941172416. The cubic root of 8668279 is about 205.4207420649.

The spelling of 8668279 in words is "eight million, six hundred sixty-eight thousand, two hundred seventy-nine".