766813272856 has 16 divisors (see below), whose sum is σ = 1439634891600. Its totient is φ = 382910635104.

The previous prime is 766813272793. The next prime is 766813272931. The reversal of 766813272856 is 658272318667.

It is a junction number, because it is equal to n+sod(n) for n = 766813272794 and 766813272803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61993596 + ... + 62005963.

It is an arithmetic number, because the mean of its divisors is an integer number (89977180725).

Almost surely, 2^766813272856 is an apocalyptic number.

It is an amenable number.

766813272856 is a deficient number, since it is larger than the sum of its proper divisors (672821618744).

766813272856 is a wasteful number, since it uses less digits than its factorization.

766813272856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124000338 (or 124000334 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The spelling of 766813272856 in words is "seven hundred sixty-six billion, eight hundred thirteen million, two hundred seventy-two thousand, eight hundred fifty-six".