8813663 has 8 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 8317080.

The previous prime is 8813653. The next prime is 8813671. The reversal of 8813663 is 3663188.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8813663 - 2⁸ = 8813407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8813653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1164240).

Almost surely, 2^8813663 is an apocalyptic number.

8813663 is a deficient number, since it is larger than the sum of its proper divisors (500257).

8813663 is a wasteful number, since it uses less digits than its factorization.

8813663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its digits is 20736, while the sum is 35.

The square root of 8813663 is about 2968.7813998339. The cubic root of 8813663 is about 206.5628166529.

The spelling of 8813663 in words is "eight million, eight hundred thirteen thousand, six hundred sixty-three".