8253212868 has 36 divisors (see below), whose sum is σ = 20888086128. Its totient is φ = 2747669040.

The previous prime is 8253212867. The next prime is 8253212911. The reversal of 8253212868 is 8682123528.

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

It is not an unprimeable number, because it can be changed into a prime (8253212867) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 112146 + ... + 170537.

Almost surely, 2^8253212868 is an apocalyptic number.

It is an amenable number.

8253212868 is an abundant number, since it is smaller than the sum of its proper divisors (12634873260).

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

8253212868 is a wasteful number, since it uses less digits than its factorization.

8253212868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283504 (or 283499 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 8253212868 is about 90847.1951575832. The cubic root of 8253212868 is about 2020.8822787075.

The spelling of 8253212868 in words is "eight billion, two hundred fifty-three million, two hundred twelve thousand, eight hundred sixty-eight".