8728285189 has 16 divisors (see below), whose sum is σ = 9901655680. Its totient is φ = 7627245120.

The previous prime is 8728285177. The next prime is 8728285193. The reversal of 8728285189 is 9815828278.

It is a cyclic number.

It is not a de Polignac number, because 8728285189 - 2¹⁷ = 8728154117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728285109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345199 + ... + 369619.

It is an arithmetic number, because the mean of its divisors is an integer number (618853480).

Almost surely, 2^8728285189 is an apocalyptic number.

It is an amenable number.

8728285189 is a deficient number, since it is larger than the sum of its proper divisors (1173370491).

8728285189 is a wasteful number, since it uses less digits than its factorization.

8728285189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900.

The product of its digits is 5160960, while the sum is 58.

The square root of 8728285189 is about 93425.2920198808. The cubic root of 8728285189 is about 2058.9366105725.

The spelling of 8728285189 in words is "eight billion, seven hundred twenty-eight million, two hundred eighty-five thousand, one hundred eighty-nine".