8859320189 has 2 divisors, whose sum is σ = 8859320190. Its totient is φ = 8859320188.

The previous prime is 8859320167. The next prime is 8859320207. The reversal of 8859320189 is 9810239588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8785875289 + 73444900 = 93733^2 + 8570^2 .

It is a cyclic number.

It is not a de Polignac number, because 8859320189 - 2¹⁶ = 8859254653 is a prime.

It is a super-2 number, since 2×8859320189² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8859320189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8859920189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4429660094 + 4429660095.

It is an arithmetic number, because the mean of its divisors is an integer number (4429660095).

Almost surely, 2^8859320189 is an apocalyptic number.

It is an amenable number.

8859320189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8859320189 is an equidigital number, since it uses as much as digits as its factorization.

8859320189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 8859320189 is about 94123.9618216318. The cubic root of 8859320189 is about 2069.1888650631.

The spelling of 8859320189 in words is "eight billion, eight hundred fifty-nine million, three hundred twenty thousand, one hundred eighty-nine".