766473866736 has 40 divisors (see below), whose sum is σ = 1990108566864. Its totient is φ = 254194375680.

The previous prime is 766473866723. The next prime is 766473866747. The reversal of 766473866736 is 637668374667.

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, 40518985 + ... + 40537896.

Almost surely, 2^766473866736 is an apocalyptic number.

It is an amenable number.

766473866736 is an abundant number, since it is smaller than the sum of its proper divisors (1223634700128).

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

766473866736 is a wasteful number, since it uses less digits than its factorization.

766473866736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81057089 (or 81057083 counting only the distinct ones).

The product of its digits is 768144384, while the sum is 69.

The spelling of 766473866736 in words is "seven hundred sixty-six billion, four hundred seventy-three million, eight hundred sixty-six thousand, seven hundred thirty-six".