768866 has 8 divisors (see below), whose sum is σ = 1318080. Its totient is φ = 329508.

The previous prime is 768857. The next prime is 768869. The reversal of 768866 is 668867.

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (768869) 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, 27446 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (164760).

2⁷⁶⁸⁸⁶⁶ is an apocalyptic number.

768866 is a deficient number, since it is larger than the sum of its proper divisors (549214).

768866 is a wasteful number, since it uses less digits than its factorization.

768866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54928.

The product of its digits is 96768, while the sum is 41.

The square root of 768866 is about 876.8500441923. The cubic root of 768866 is about 91.6115473960.

Subtracting from 768866 its reverse (668867), we obtain a palindrome (99999).

The spelling of 768866 in words is "seven hundred sixty-eight thousand, eight hundred sixty-six".