8648863 has 2 divisors, whose sum is σ = 8648864. Its totient is φ = 8648862.

The previous prime is 8648839. The next prime is 8648867. The reversal of 8648863 is 3688468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8648863 - 2⁵ = 8648831 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8648867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4324431 + 4324432.

It is an arithmetic number, because the mean of its divisors is an integer number (4324432).

Almost surely, 2^8648863 is an apocalyptic number.

8648863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8648863 is an equidigital number, since it uses as much as digits as its factorization.

8648863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 8648863 is about 2940.8949318192. The cubic root of 8648863 is about 205.2672540528.

The spelling of 8648863 in words is "eight million, six hundred forty-eight thousand, eight hundred sixty-three".