9697688807 has 2 divisors, whose sum is σ = 9697688808. Its totient is φ = 9697688806.

The previous prime is 9697688779. The next prime is 9697688837. The reversal of 9697688807 is 7088867969.

9697688807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7088867969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9697688807 - 2⁸ = 9697688551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9697688837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848844403 + 4848844404.

It is an arithmetic number, because the mean of its divisors is an integer number (4848844404).

Almost surely, 2^9697688807 is an apocalyptic number.

9697688807 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697688807 is an equidigital number, since it uses as much as digits as its factorization.

9697688807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The square root of 9697688807 is about 98476.8440142148. The cubic root of 9697688807 is about 2132.5018400984.

The spelling of 9697688807 in words is "nine billion, six hundred ninety-seven million, six hundred eighty-eight thousand, eight hundred seven".