8664863 has 2 divisors, whose sum is σ = 8664864. Its totient is φ = 8664862.

The previous prime is 8664857. The next prime is 8664869. The reversal of 8664863 is 3684668.

8664863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (8664857) and next prime (8664869).

It is a cyclic number.

It is not a de Polignac number, because 8664863 - 2⁴ = 8664847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8664863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8664869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4332431 + 4332432.

It is an arithmetic number, because the mean of its divisors is an integer number (4332432).

Almost surely, 2^8664863 is an apocalyptic number.

8664863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8664863 is an equidigital number, since it uses as much as digits as its factorization.

8664863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 8664863 is about 2943.6139352843. The cubic root of 8664863 is about 205.3937544144.

The spelling of 8664863 in words is "eight million, six hundred sixty-four thousand, eight hundred sixty-three".