8265900889 has 3 divisors (see below), whose sum is σ = 8265991807. Its totient is φ = 8265809972.

The previous prime is 8265900883. The next prime is 8265900893. The reversal of 8265900889 is 9880095628.

The square root of 8265900889 is 90917.

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., 5795015625 + 2470885264 = 76125^2 + 49708^2 .

It is not a de Polignac number, because 8265900889 - 2¹¹ = 8265898841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8265900883) 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, 45459 + ... + 136375.

Almost surely, 2^8265900889 is an apocalyptic number.

8265900889 is the 90917-th square number.

8265900889 is the 45459-th centered octagonal number.

It is an amenable number.

8265900889 is a deficient number, since it is larger than the sum of its proper divisors (90918).

8265900889 is an frugal number, since it uses more digits than its factorization.

8265900889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181834 (or 90917 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The cubic root of 8265900889 is about 2021.9173450402.

The spelling of 8265900889 in words is "eight billion, two hundred sixty-five million, nine hundred thousand, eight hundred eighty-nine".