766440224872 has 16 divisors (see below), whose sum is σ = 1642371910560. Its totient is φ = 328474382064.

The previous prime is 766440224839. The next prime is 766440224903. The reversal of 766440224872 is 278422044667.

766440224872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6843216238 + ... + 6843216349.

It is an arithmetic number, because the mean of its divisors is an integer number (102648244410).

Almost surely, 2^766440224872 is an apocalyptic number.

It is an amenable number.

766440224872 is an abundant number, since it is smaller than the sum of its proper divisors (875931685688).

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

766440224872 is a wasteful number, since it uses less digits than its factorization.

766440224872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13686432600 (or 13686432596 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 766440224872 in words is "seven hundred sixty-six billion, four hundred forty million, two hundred twenty-four thousand, eight hundred seventy-two".