8025113889 has 27 divisors (see below), whose sum is σ = 12557568153. Its totient is φ = 4936381632.

The previous prime is 8025113849. The next prime is 8025113903. The reversal of 8025113889 is 9883115208.

It is a happy number.

The square root of 8025113889 is 89583.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1337145489 + 6687968400 = 36567^2 + 81780^2 .

It is not a de Polignac number, because 8025113889 - 2⁹ = 8025113377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8025113819) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3492589 + ... + 3494885.

Almost surely, 2^8025113889 is an apocalyptic number.

8025113889 is the 89583-rd square number.

8025113889 is the 44792-nd centered octagonal number.

It is an amenable number.

8025113889 is a deficient number, since it is larger than the sum of its proper divisors (4532454264).

8025113889 is an equidigital number, since it uses as much as digits as its factorization.

8025113889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The cubic root of 8025113889 is about 2002.0906379384.

The spelling of 8025113889 in words is "eight billion, twenty-five million, one hundred thirteen thousand, eight hundred eighty-nine".