766715768 has 32 divisors (see below), whose sum is σ = 1769345760. Its totient is φ = 303315840.

The previous prime is 766715767. The next prime is 766715783. The reversal of 766715768 is 867517667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766715767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525863 + ... + 527318.

It is an arithmetic number, because the mean of its divisors is an integer number (55292055).

Almost surely, 2^766715768 is an apocalyptic number.

It is an amenable number.

766715768 is an abundant number, since it is smaller than the sum of its proper divisors (1002629992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766715768 is a wasteful number, since it uses less digits than its factorization.

766715768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053207 (or 1053203 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 766715768 is about 27689.6328614158. The cubic root of 766715768 is about 915.2606652809.

The spelling of 766715768 in words is "seven hundred sixty-six million, seven hundred fifteen thousand, seven hundred sixty-eight".