8489855539 has 16 divisors (see below), whose sum is σ = 9821095776. Its totient is φ = 7253209600.

The previous prime is 8489855533. The next prime is 8489855593. The reversal of 8489855539 is 9355589848.

It is a cyclic number.

It is not a de Polignac number, because 8489855539 - 2¹⁵ = 8489822771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8489855533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93069 + ... + 160129.

It is an arithmetic number, because the mean of its divisors is an integer number (613818486).

Almost surely, 2^8489855539 is an apocalyptic number.

8489855539 is a deficient number, since it is larger than the sum of its proper divisors (1331240237).

8489855539 is a wasteful number, since it uses less digits than its factorization.

8489855539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67766.

The product of its digits is 62208000, while the sum is 64.

The square root of 8489855539 is about 92140.4120839494. The cubic root of 8489855539 is about 2040.0153416602.

The spelling of 8489855539 in words is "eight billion, four hundred eighty-nine million, eight hundred fifty-five thousand, five hundred thirty-nine".