766955972812 has 24 divisors (see below), whose sum is σ = 1385732783232. Its totient is φ = 371037033600.

The previous prime is 766955972773. The next prime is 766955972837. The reversal of 766955972812 is 218279559667.

It is an unprimeable number.

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, 67362 + ... + 1240342.

It is an arithmetic number, because the mean of its divisors is an integer number (57738865968).

Almost surely, 2^766955972812 is an apocalyptic number.

It is an amenable number.

766955972812 is a deficient number, since it is larger than the sum of its proper divisors (618776810420).

766955972812 is a wasteful number, since it uses less digits than its factorization.

766955972812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178289 (or 1178287 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 67.

The spelling of 766955972812 in words is "seven hundred sixty-six billion, nine hundred fifty-five million, nine hundred seventy-two thousand, eight hundred twelve".