768663 has 32 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 433944.

The previous prime is 768653. The next prime is 768671. The reversal of 768663 is 366867.

It is a happy number.

It is not a de Polignac number, because 768663 - 2⁵ = 768631 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9220 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2⁷⁶⁸⁶⁶³ is an apocalyptic number.

768663 is a deficient number, since it is larger than the sum of its proper divisors (575337).

768663 is an equidigital number, since it uses as much as digits as its factorization.

768663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 93 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 768663 is about 876.7342812962. The cubic root of 768663 is about 91.6034841006.

It can be divided in two parts, 768 and 663, that added together give a triangular number (1431 = T₅₃).

The spelling of 768663 in words is "seven hundred sixty-eight thousand, six hundred sixty-three".