9768688818 has 64 divisors (see below), whose sum is σ = 23926855680. Its totient is φ = 2595209472.

The previous prime is 9768688771. The next prime is 9768688819. The reversal of 9768688818 is 8188868679.

It is not an unprimeable number, because it can be changed into a prime (9768688819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23158 + ... + 141681.

It is an arithmetic number, because the mean of its divisors is an integer number (373857120).

Almost surely, 2^9768688818 is an apocalyptic number.

9768688818 is an abundant number, since it is smaller than the sum of its proper divisors (14158166862).

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

9768688818 is a wasteful number, since it uses less digits than its factorization.

9768688818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164951.

The product of its digits is 74317824, while the sum is 69.

The square root of 9768688818 is about 98836.6774937321. The cubic root of 9768688818 is about 2137.6934429902.

The spelling of 9768688818 in words is "nine billion, seven hundred sixty-eight million, six hundred eighty-eight thousand, eight hundred eighteen".