7768660056 has 16 divisors (see below), whose sum is σ = 19421650200. Its totient is φ = 2589553344.

The previous prime is 7768659967. The next prime is 7768660061. The reversal of 7768660056 is 6500668677.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7768659990 and 7768660008.

It is a congruent number.

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, 161847061 + ... + 161847108.

Almost surely, 2^7768660056 is an apocalyptic number.

It is an amenable number.

7768660056 is an abundant number, since it is smaller than the sum of its proper divisors (11652990144).

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

7768660056 is a wasteful number, since it uses less digits than its factorization.

7768660056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323694178 (or 323694174 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 7768660056 is about 88140.0025867937. The cubic root of 7768660056 is about 1980.5328001926.

The spelling of 7768660056 in words is "seven billion, seven hundred sixty-eight million, six hundred sixty thousand, fifty-six".