8005590889 has 2 divisors, whose sum is σ = 8005590890. Its totient is φ = 8005590888.

The previous prime is 8005590883. The next prime is 8005590893. The reversal of 8005590889 is 9880955008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4199688025 + 3805902864 = 64805^2 + 61692^2 .

It is a cyclic number.

It is not a de Polignac number, because 8005590889 - 2²¹ = 8003493737 is a prime.

It is not a weakly prime, because it can be changed into another prime (8005590883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002795444 + 4002795445.

It is an arithmetic number, because the mean of its divisors is an integer number (4002795445).

Almost surely, 2^8005590889 is an apocalyptic number.

It is an amenable number.

8005590889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005590889 is an equidigital number, since it uses as much as digits as its factorization.

8005590889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The square root of 8005590889 is about 89473.9676609906. The cubic root of 8005590889 is about 2000.4657989239.

The spelling of 8005590889 in words is "eight billion, five million, five hundred ninety thousand, eight hundred eighty-nine".