764076866 has 64 divisors (see below), whose sum is σ = 1423319040. Its totient is φ = 300222720.

The previous prime is 764076853. The next prime is 764076869. The reversal of 764076866 is 668670467.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (764076869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1740275 + ... + 1740713.

It is an arithmetic number, because the mean of its divisors is an integer number (22239360).

Almost surely, 2^764076866 is an apocalyptic number.

764076866 is a deficient number, since it is larger than the sum of its proper divisors (659242174).

764076866 is a wasteful number, since it uses less digits than its factorization.

764076866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The square root of 764076866 is about 27641.9403443391. The cubic root of 764076866 is about 914.2094023896.

The spelling of 764076866 in words is "seven hundred sixty-four million, seventy-six thousand, eight hundred sixty-six".