8287116529 has 2 divisors, whose sum is σ = 8287116530. Its totient is φ = 8287116528.

The previous prime is 8287116493. The next prime is 8287116557. The reversal of 8287116529 is 9256117828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5609261025 + 2677855504 = 74895^2 + 51748^2 .

It is a cyclic number.

It is not a de Polignac number, because 8287116529 - 2⁷ = 8287116401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8287116029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143558264 + 4143558265.

It is an arithmetic number, because the mean of its divisors is an integer number (4143558265).

Almost surely, 2^8287116529 is an apocalyptic number.

It is an amenable number.

8287116529 is a deficient number, since it is larger than the sum of its proper divisors (1).

8287116529 is an equidigital number, since it uses as much as digits as its factorization.

8287116529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 49.

The square root of 8287116529 is about 91033.6010987152. The cubic root of 8287116529 is about 2023.6457157476.

The spelling of 8287116529 in words is "eight billion, two hundred eighty-seven million, one hundred sixteen thousand, five hundred twenty-nine".