8087917 has 2 divisors, whose sum is σ = 8087918. Its totient is φ = 8087916.

The previous prime is 8087887. The next prime is 8087921. The reversal of 8087917 is 7197808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6522916 + 1565001 = 2554^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 8087917 - 2¹⁵ = 8055149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8087917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8087017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4043958 + 4043959.

It is an arithmetic number, because the mean of its divisors is an integer number (4043959).

Almost surely, 2^8087917 is an apocalyptic number.

It is an amenable number.

8087917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8087917 is an equidigital number, since it uses as much as digits as its factorization.

8087917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 8087917 is about 2843.9263351922. The cubic root of 8087917 is about 200.7299741142.

It can be divided in two parts, 808 and 7917, that multiplied together give a palindrome (6396936).

The spelling of 8087917 in words is "eight million, eighty-seven thousand, nine hundred seventeen".