9768688771 has 2 divisors, whose sum is σ = 9768688772. Its totient is φ = 9768688770.

The previous prime is 9768688763. The next prime is 9768688819. The reversal of 9768688771 is 1778868679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9768688771 - 2³ = 9768688763 is a prime.

It is a super-2 number, since 2×9768688771² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9768688697 and 9768688706.

It is not a weakly prime, because it can be changed into another prime (9768688571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884344385 + 4884344386.

It is an arithmetic number, because the mean of its divisors is an integer number (4884344386).

Almost surely, 2^9768688771 is an apocalyptic number.

9768688771 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768688771 is an equidigital number, since it uses as much as digits as its factorization.

9768688771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56899584, while the sum is 67.

The square root of 9768688771 is about 98836.6772559661. The cubic root of 9768688771 is about 2137.6934395618.

The spelling of 9768688771 in words is "nine billion, seven hundred sixty-eight million, six hundred eighty-eight thousand, seven hundred seventy-one".