766823768 has 32 divisors (see below), whose sum is σ = 1447959360. Its totient is φ = 380712960.

The previous prime is 766823699. The next prime is 766823821. The reversal of 766823768 is 867328667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250630 + ... + 1251242.

It is an arithmetic number, because the mean of its divisors is an integer number (45248730).

Almost surely, 2^766823768 is an apocalyptic number.

It is an amenable number.

766823768 is a deficient number, since it is larger than the sum of its proper divisors (681135592).

766823768 is a wasteful number, since it uses less digits than its factorization.

766823768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1463 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The square root of 766823768 is about 27691.5829811154. The cubic root of 766823768 is about 915.3036379683.

The spelling of 766823768 in words is "seven hundred sixty-six million, eight hundred twenty-three thousand, seven hundred sixty-eight".