9768668680 has 32 divisors (see below), whose sum is σ = 21982348440. Its totient is φ = 3906961920.

The previous prime is 9768668671. The next prime is 9768668681. The reversal of 9768668680 is 868668679.

It can be written as a sum of positive squares in 4 ways, for example, as 7952715684 + 1815952996 = 89178^2 + 42614^2 .

It is a super-2 number, since 2×9768668680² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9768668681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530020 + ... + 548140.

Almost surely, 2^9768668680 is an apocalyptic number.

It is an amenable number.

9768668680 is an abundant number, since it is smaller than the sum of its proper divisors (12213679760).

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

9768668680 is a wasteful number, since it uses less digits than its factorization.

9768668680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31609 (or 31605 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The square root of 9768668680 is about 98836.5756185432. The cubic root of 9768668680 is about 2137.6919740486.

The spelling of 9768668680 in words is "nine billion, seven hundred sixty-eight million, six hundred sixty-eight thousand, six hundred eighty".