8688697 has 2 divisors, whose sum is σ = 8688698. Its totient is φ = 8688696.

The previous prime is 8688671. The next prime is 8688703. The reversal of 8688697 is 7968868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 826281 = 2804^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 8688697 - 2⁷ = 8688569 is a prime.

8688697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8688607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344348 + 4344349.

It is an arithmetic number, because the mean of its divisors is an integer number (4344349).

Almost surely, 2^8688697 is an apocalyptic number.

It is an amenable number.

8688697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8688697 is an equidigital number, since it uses as much as digits as its factorization.

8688697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 52.

The square root of 8688697 is about 2947.6595800737. The cubic root of 8688697 is about 205.5819040758.

The spelling of 8688697 in words is "eight million, six hundred eighty-eight thousand, six hundred ninety-seven".