8505223265 has 48 divisors (see below), whose sum is σ = 13014177984. Its totient is φ = 5276476800.

The previous prime is 8505223253. The next prime is 8505223273. The reversal of 8505223265 is 5623225058.

It is not a de Polignac number, because 8505223265 - 2¹⁰ = 8505222241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 561167 + ... + 576123.

It is an arithmetic number, because the mean of its divisors is an integer number (271128708).

Almost surely, 2^8505223265 is an apocalyptic number.

It is an amenable number.

8505223265 is a deficient number, since it is larger than the sum of its proper divisors (4508954719).

8505223265 is a wasteful number, since it uses less digits than its factorization.

8505223265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15198 (or 15191 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 8505223265 is about 92223.7673541913. The cubic root of 8505223265 is about 2041.2454960715.

The spelling of 8505223265 in words is "eight billion, five hundred five million, two hundred twenty-three thousand, two hundred sixty-five".