8868129732 has 144 divisors (see below), whose sum is σ = 27988152192. Its totient is φ = 2300106240.

The previous prime is 8868129707. The next prime is 8868129737. The reversal of 8868129732 is 2379218688.

It is a happy number.

It is a super-3 number, since 3×8868129732³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8868129737) 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, 2373738 + ... + 2377470.

It is an arithmetic number, because the mean of its divisors is an integer number (194362168).

Almost surely, 2^8868129732 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 8868129732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13994076096).

8868129732 is an abundant number, since it is smaller than the sum of its proper divisors (19120022460).

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

8868129732 is a wasteful number, since it uses less digits than its factorization.

8868129732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4613 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 8868129732 is about 94170.7477510931. The cubic root of 8868129732 is about 2069.8744921453.

The spelling of 8868129732 in words is "eight billion, eight hundred sixty-eight million, one hundred twenty-nine thousand, seven hundred thirty-two".