6808930128 has 240 divisors, whose sum is σ = 25585612416. Its totient is φ = 1632476160.

The previous prime is 6808930123. The next prime is 6808930153. The reversal of 6808930128 is 8210398086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808930123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120526 + ... + 167762.

Almost surely, 2^6808930128 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 6808930128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12792806208).

6808930128 is an abundant number, since it is smaller than the sum of its proper divisors (18776682288).

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

6808930128 is a wasteful number, since it uses less digits than its factorization.

6808930128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47282 (or 47273 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6808930128 is about 82516.2416012751. The cubic root of 6808930128 is about 1895.3654475355.

The spelling of 6808930128 in words is "six billion, eight hundred eight million, nine hundred thirty thousand, one hundred twenty-eight".