8253065844 has 36 divisors (see below), whose sum is σ = 21155752800. Its totient is φ = 2712274320.

The previous prime is 8253065753. The next prime is 8253065851. The reversal of 8253065844 is 4485603528.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8253065844² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8253065844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611894 + ... + 1617005.

It is an arithmetic number, because the mean of its divisors is an integer number (587659800).

Almost surely, 2^8253065844 is an apocalyptic number.

It is an amenable number.

8253065844 is an abundant number, since it is smaller than the sum of its proper divisors (12902686956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8253065844 is a wasteful number, since it uses less digits than its factorization.

8253065844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228980 (or 3228975 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 8253065844 is about 90846.3859710445. The cubic root of 8253065844 is about 2020.8702785339.

The spelling of 8253065844 in words is "eight billion, two hundred fifty-three million, sixty-five thousand, eight hundred forty-four".