8716663 has 2 divisors, whose sum is σ = 8716664. Its totient is φ = 8716662.

The previous prime is 8716661. The next prime is 8716679. The reversal of 8716663 is 3666178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8716663 - 2¹ = 8716661 is a prime.

Together with 8716661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8716661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4358331 + 4358332.

It is an arithmetic number, because the mean of its divisors is an integer number (4358332).

Almost surely, 2^8716663 is an apocalyptic number.

8716663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8716663 is an equidigital number, since it uses as much as digits as its factorization.

8716663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 8716663 is about 2952.3995325836. The cubic root of 8716663 is about 205.8022342426.

The spelling of 8716663 in words is "eight million, seven hundred sixteen thousand, six hundred sixty-three".