8688323197 has 2 divisors, whose sum is σ = 8688323198. Its totient is φ = 8688323196.

The previous prime is 8688323177. The next prime is 8688323207. The reversal of 8688323197 is 7913238868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7077183876 + 1611139321 = 84126^2 + 40139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8688323197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8688323107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344161598 + 4344161599.

It is an arithmetic number, because the mean of its divisors is an integer number (4344161599).

Almost surely, 2^8688323197 is an apocalyptic number.

It is an amenable number.

8688323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8688323197 is an equidigital number, since it uses as much as digits as its factorization.

8688323197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 8688323197 is about 93211.1752795769. The cubic root of 8688323197 is about 2055.7895586875.

The spelling of 8688323197 in words is "eight billion, six hundred eighty-eight million, three hundred twenty-three thousand, one hundred ninety-seven".