8085066889 has 3 divisors (see below), whose sum is σ = 8085156807. Its totient is φ = 8084976972.

The previous prime is 8085066883. The next prime is 8085066917. The reversal of 8085066889 is 9886605808.

The square root of 8085066889 is 89917.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6881532025 + 1203534864 = 82955^2 + 34692^2 .

It is not a de Polignac number, because 8085066889 - 2¹⁵ = 8085034121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8085066883) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44959 + ... + 134875.

It is an arithmetic number, because the mean of its divisors is an integer number (2695052269).

Almost surely, 2^8085066889 is an apocalyptic number.

8085066889 is the 89917-th square number.

8085066889 is the 44959-th centered octagonal number.

It is an amenable number.

8085066889 is a deficient number, since it is larger than the sum of its proper divisors (89918).

8085066889 is an frugal number, since it uses more digits than its factorization.

8085066889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179834 (or 89917 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The cubic root of 8085066889 is about 2007.0639285001.

The spelling of 8085066889 in words is "eight billion, eighty-five million, sixty-six thousand, eight hundred eighty-nine".