7686768872 has 16 divisors (see below), whose sum is σ = 14552622240. Its totient is φ = 3806069616.

The previous prime is 7686768857. The next prime is 7686768883. The reversal of 7686768872 is 2788676867.

It is a super-3 number, since 3×7686768872³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7686768799 and 7686768808.

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, 4663478 + ... + 4665125.

It is an arithmetic number, because the mean of its divisors is an integer number (909538890).

Almost surely, 2^7686768872 is an apocalyptic number.

It is an amenable number.

7686768872 is a deficient number, since it is larger than the sum of its proper divisors (6865853368).

7686768872 is a wasteful number, since it uses less digits than its factorization.

7686768872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328712 (or 9328708 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 65.

The square root of 7686768872 is about 87674.2201105890. The cubic root of 7686768872 is about 1973.5491237670.

The spelling of 7686768872 in words is "seven billion, six hundred eighty-six million, seven hundred sixty-eight thousand, eight hundred seventy-two".