7686577868 has 12 divisors (see below), whose sum is σ = 13454119392. Its totient is φ = 3842543760.

The previous prime is 7686577859. The next prime is 7686577907. The reversal of 7686577868 is 8687756867.

It is a junction number, because it is equal to n+sod(n) for n = 7686577798 and 7686577807.

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, 162755 + ... + 204602.

It is an arithmetic number, because the mean of its divisors is an integer number (1121176616).

Almost surely, 2^7686577868 is an apocalyptic number.

It is an amenable number.

7686577868 is a deficient number, since it is larger than the sum of its proper divisors (5767541524).

7686577868 is a wasteful number, since it uses less digits than its factorization.

7686577868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372592 (or 372590 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 68.

The square root of 7686577868 is about 87673.1308212499. The cubic root of 7686577868 is about 1973.5327771110.

The spelling of 7686577868 in words is "seven billion, six hundred eighty-six million, five hundred seventy-seven thousand, eight hundred sixty-eight".