769934786976 has 72 divisors (see below), whose sum is σ = 2197641684420. Its totient is φ = 255690832896.

The previous prime is 769934786969. The next prime is 769934786981. The reversal of 769934786976 is 679687439967.

769934786976 is a `hidden beast` number, since 76 + 9 + 9 + 3 + 478 + 6 + 9 + 76 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 740804490000 + 29130296976 = 860700^2 + 170676^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 769934786895 and 769934786904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4891645 + ... + 5046588.

Almost surely, 2^769934786976 is an apocalyptic number.

It is an amenable number.

769934786976 is an abundant number, since it is smaller than the sum of its proper divisors (1427706897444).

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

769934786976 is a wasteful number, since it uses less digits than its factorization.

769934786976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9938518 (or 9938507 counting only the distinct ones).

The product of its digits is 5184974592, while the sum is 81.

The spelling of 769934786976 in words is "seven hundred sixty-nine billion, nine hundred thirty-four million, seven hundred eighty-six thousand, nine hundred seventy-six".