8123850812 has 48 divisors (see below), whose sum is σ = 18059231232. Its totient is φ = 3105410880.

The previous prime is 8123850697. The next prime is 8123850827. The reversal of 8123850812 is 2180583218.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232508 + ... + 265155.

It is an arithmetic number, because the mean of its divisors is an integer number (376233984).

Almost surely, 2^8123850812 is an apocalyptic number.

It is an amenable number.

8123850812 is an abundant number, since it is smaller than the sum of its proper divisors (9935380420).

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

8123850812 is a wasteful number, since it uses less digits than its factorization.

8123850812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497738 (or 497736 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 8123850812 is about 90132.4071130911. The cubic root of 8123850812 is about 2010.2680939068.

The spelling of 8123850812 in words is "eight billion, one hundred twenty-three million, eight hundred fifty thousand, eight hundred twelve".