8251273812 has 24 divisors (see below), whose sum is σ = 19393508736. Its totient is φ = 2730347968.

The previous prime is 8251273801. The next prime is 8251273817. The reversal of 8251273812 is 2183721528.

It is a super-2 number, since 2×8251273812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8251273817) 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 7 ways as a sum of consecutive naturals, for example, 2507868 + ... + 2511155.

It is an arithmetic number, because the mean of its divisors is an integer number (808062864).

Almost surely, 2^8251273812 is an apocalyptic number.

It is an amenable number.

8251273812 is an abundant number, since it is smaller than the sum of its proper divisors (11142234924).

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

8251273812 is a wasteful number, since it uses less digits than its factorization.

8251273812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019167 (or 5019165 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 8251273812 is about 90836.5224565538. The cubic root of 8251273812 is about 2020.7240005154.

The spelling of 8251273812 in words is "eight billion, two hundred fifty-one million, two hundred seventy-three thousand, eight hundred twelve".