8360872489 has 2 divisors, whose sum is σ = 8360872490. Its totient is φ = 8360872488.

The previous prime is 8360872409. The next prime is 8360872511. The reversal of 8360872489 is 9842780638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7382246400 + 978626089 = 85920^2 + 31283^2 .

It is a cyclic number.

It is not a de Polignac number, because 8360872489 - 2⁷ = 8360872361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8360872409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180436244 + 4180436245.

It is an arithmetic number, because the mean of its divisors is an integer number (4180436245).

Almost surely, 2^8360872489 is an apocalyptic number.

It is an amenable number.

8360872489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8360872489 is an equidigital number, since it uses as much as digits as its factorization.

8360872489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 8360872489 is about 91437.8066720763. The cubic root of 8360872489 is about 2029.6315256530.

The spelling of 8360872489 in words is "eight billion, three hundred sixty million, eight hundred seventy-two thousand, four hundred eighty-nine".