8287667849 has 2 divisors, whose sum is σ = 8287667850. Its totient is φ = 8287667848.

The previous prime is 8287667837. The next prime is 8287667867. The reversal of 8287667849 is 9487667828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8099100025 + 188567824 = 89995^2 + 13732^2 .

It is a cyclic number.

It is not a de Polignac number, because 8287667849 - 2⁴ = 8287667833 is a prime.

It is not a weakly prime, because it can be changed into another prime (8287667449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4143833924 + 4143833925.

It is an arithmetic number, because the mean of its divisors is an integer number (4143833925).

Almost surely, 2^8287667849 is an apocalyptic number.

It is an amenable number.

8287667849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8287667849 is an equidigital number, since it uses as much as digits as its factorization.

8287667849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65028096, while the sum is 65.

The square root of 8287667849 is about 91036.6291610141. The cubic root of 8287667849 is about 2023.6905906894.

The spelling of 8287667849 in words is "eight billion, two hundred eighty-seven million, six hundred sixty-seven thousand, eight hundred forty-nine".