768775 has 24 divisors (see below), whose sum is σ = 1142784. Its totient is φ = 501600.

The previous prime is 768773. The next prime is 768787. The reversal of 768775 is 577867.

It is not a de Polignac number, because 768775 - 2¹ = 768773 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 (768773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3930 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (47616).

2⁷⁶⁸⁷⁷⁵ is an apocalyptic number.

768775 is a deficient number, since it is larger than the sum of its proper divisors (374009).

768775 is a wasteful number, since it uses less digits than its factorization.

768775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 226 counting only the distinct ones).

The product of its digits is 82320, while the sum is 40.

The square root of 768775 is about 876.7981523703. The cubic root of 768775 is about 91.6079329908.

The spelling of 768775 in words is "seven hundred sixty-eight thousand, seven hundred seventy-five".