8681534688 has 96 divisors (see below), whose sum is σ = 23394438144. Its totient is φ = 2817608192.

The previous prime is 8681534681. The next prime is 8681534699. The reversal of 8681534688 is 8864351868.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681534681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883981 + ... + 893747.

It is an arithmetic number, because the mean of its divisors is an integer number (243692064).

Almost surely, 2^8681534688 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 8681534688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11697219072).

8681534688 is an abundant number, since it is smaller than the sum of its proper divisors (14712903456).

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

8681534688 is a wasteful number, since it uses less digits than its factorization.

8681534688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024 (or 10016 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The square root of 8681534688 is about 93174.7534904171. The cubic root of 8681534688 is about 2055.2539976478.

The spelling of 8681534688 in words is "eight billion, six hundred eighty-one million, five hundred thirty-four thousand, six hundred eighty-eight".