8663279 has 2 divisors, whose sum is σ = 8663280. Its totient is φ = 8663278.

The previous prime is 8663273. The next prime is 8663309. The reversal of 8663279 is 9723668.

8663279 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8663279 - 2⁸ = 8663023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8663273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4331639 + 4331640.

It is an arithmetic number, because the mean of its divisors is an integer number (4331640).

Almost surely, 2^8663279 is an apocalyptic number.

8663279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8663279 is an equidigital number, since it uses as much as digits as its factorization.

8663279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 8663279 is about 2943.3448659646. The cubic root of 8663279 is about 205.3812378274.

The spelling of 8663279 in words is "eight million, six hundred sixty-three thousand, two hundred seventy-nine".