807663 has 4 divisors (see below), whose sum is σ = 1076888. Its totient is φ = 538440.

The previous prime is 807647. The next prime is 807689. The reversal of 807663 is 366708.

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

It is not a de Polignac number, because 807663 - 2⁴ = 807647 is a prime.

It is a D-number.

It is a Duffinian number.

807663 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 807663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807613) 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, 134608 + ... + 134613.

It is an arithmetic number, because the mean of its divisors is an integer number (269222).

2⁸⁰⁷⁶⁶³ is an apocalyptic number.

807663 is a deficient number, since it is larger than the sum of its proper divisors (269225).

807663 is a wasteful number, since it uses less digits than its factorization.

807663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269224.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 807663 is about 898.7007288302. The cubic root of 807663 is about 93.1272394098.

The spelling of 807663 in words is "eight hundred seven thousand, six hundred sixty-three".