8123889268 has 12 divisors (see below), whose sum is σ = 15509243232. Its totient is φ = 3692676920.

The previous prime is 8123889187. The next prime is 8123889269. The reversal of 8123889268 is 8629883218.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123889269) 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 3 ways as a sum of consecutive naturals, for example, 92316880 + ... + 92316967.

It is an arithmetic number, because the mean of its divisors is an integer number (1292436936).

Almost surely, 2^8123889268 is an apocalyptic number.

It is an amenable number.

8123889268 is a deficient number, since it is larger than the sum of its proper divisors (7385353964).

8123889268 is a wasteful number, since it uses less digits than its factorization.

8123889268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184633862 (or 184633860 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 8123889268 is about 90132.6204434332. The cubic root of 8123889268 is about 2010.2712659143.

The spelling of 8123889268 in words is "eight billion, one hundred twenty-three million, eight hundred eighty-nine thousand, two hundred sixty-eight".