8107189688 has 64 divisors (see below), whose sum is σ = 16955473920. Its totient is φ = 3608841600.

The previous prime is 8107189669. The next prime is 8107189697. The reversal of 8107189688 is 8869817018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985673 + ... + 993863.

It is an arithmetic number, because the mean of its divisors is an integer number (264929280).

Almost surely, 2^8107189688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8107189688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8477736960).

8107189688 is an abundant number, since it is smaller than the sum of its proper divisors (8848284232).

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

8107189688 is a wasteful number, since it uses less digits than its factorization.

8107189688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 56.

The square root of 8107189688 is about 90039.9338515972. The cubic root of 8107189688 is about 2008.8928737915.

The spelling of 8107189688 in words is "eight billion, one hundred seven million, one hundred eighty-nine thousand, six hundred eighty-eight".