80663 has 4 divisors (see below), whose sum is σ = 88008. Its totient is φ = 73320.

The previous prime is 80657. The next prime is 80669. The reversal of 80663 is 36608.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80657) and next prime (80669).

It is a cyclic number.

It is not a de Polignac number, because 80663 - 2⁶ = 80599 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 (80669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (22002).

2⁸⁰⁶⁶³ is an apocalyptic number.

80663 is a deficient number, since it is larger than the sum of its proper divisors (7345).

80663 is a wasteful number, since it uses less digits than its factorization.

80663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 80663 is about 284.0123236763. The cubic root of 80663 is about 43.2073989956.

The spelling of 80663 in words is "eighty thousand, six hundred sixty-three".