8821255065 has 32 divisors (see below), whose sum is σ = 16650633216. Its totient is φ = 3902489280.

The previous prime is 8821255057. The next prime is 8821255087. The reversal of 8821255065 is 5605521288.

8821255065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8821255065 - 2³ = 8821255057 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1351777 + ... + 1358286.

It is an arithmetic number, because the mean of its divisors is an integer number (520332288).

Almost surely, 2^8821255065 is an apocalyptic number.

It is an amenable number.

8821255065 is a deficient number, since it is larger than the sum of its proper divisors (7829378151).

8821255065 is a wasteful number, since it uses less digits than its factorization.

8821255065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710109.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 8821255065 is about 93921.5367474362. The cubic root of 8821255065 is about 2066.2211051112.

The spelling of 8821255065 in words is "eight billion, eight hundred twenty-one million, two hundred fifty-five thousand, sixty-five".