8709928928 has 48 divisors (see below), whose sum is σ = 18109365120. Its totient is φ = 4112228736.

The previous prime is 8709928907. The next prime is 8709928963. The reversal of 8709928928 is 8298299078.

8709928928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 93327²-1.

It is a super-2 number, since 2×8709928928² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 163325 + ... + 209987.

It is an arithmetic number, because the mean of its divisors is an integer number (377278440).

Almost surely, 2^8709928928 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 8709928928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9054682560).

8709928928 is an abundant number, since it is smaller than the sum of its proper divisors (9399436192).

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

8709928928 is a wasteful number, since it uses less digits than its factorization.

8709928928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46999 (or 46991 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The square root of 8709928928 is about 93326.9999946425. Note that the first 5 decimals coincide. The cubic root of 8709928928 is about 2057.4922297339.

The spelling of 8709928928 in words is "eight billion, seven hundred nine million, nine hundred twenty-eight thousand, nine hundred twenty-eight".