8287117 has 2 divisors, whose sum is σ = 8287118. Its totient is φ = 8287116.

The previous prime is 8287099. The next prime is 8287121. The reversal of 8287117 is 7117828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 784996 = 2739^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 8287117 - 2⁷ = 8286989 is a prime.

8287117 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8287717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143558 + 4143559.

It is an arithmetic number, because the mean of its divisors is an integer number (4143559).

Almost surely, 2^8287117 is an apocalyptic number.

It is an amenable number.

8287117 is a deficient number, since it is larger than the sum of its proper divisors (1).

8287117 is an equidigital number, since it uses as much as digits as its factorization.

8287117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 34.

The square root of 8287117 is about 2878.7353125982. The cubic root of 8287117 is about 202.3645754086.

The spelling of 8287117 in words is "eight million, two hundred eighty-seven thousand, one hundred seventeen".