9788768117 has 2 divisors, whose sum is σ = 9788768118. Its totient is φ = 9788768116.

The previous prime is 9788768089. The next prime is 9788768131. The reversal of 9788768117 is 7118678879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9612037681 + 176730436 = 98041^2 + 13294^2 .

It is a cyclic number.

It is not a de Polignac number, because 9788768117 - 2⁸ = 9788767861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9788768117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9788768617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4894384058 + 4894384059.

It is an arithmetic number, because the mean of its divisors is an integer number (4894384059).

Almost surely, 2^9788768117 is an apocalyptic number.

It is an amenable number.

9788768117 is a deficient number, since it is larger than the sum of its proper divisors (1).

9788768117 is an equidigital number, since it uses as much as digits as its factorization.

9788768117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 62.

The square root of 9788768117 is about 98938.2035262416. The cubic root of 9788768117 is about 2139.1570993324.

The spelling of 9788768117 in words is "nine billion, seven hundred eighty-eight million, seven hundred sixty-eight thousand, one hundred seventeen".