8881736840 has 64 divisors (see below), whose sum is σ = 20737105920. Its totient is φ = 3420000000.

The previous prime is 8881736839. The next prime is 8881736849. The reversal of 8881736840 is 486371888.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8881736849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218090 + ... + 255590.

It is an arithmetic number, because the mean of its divisors is an integer number (324017280).

Almost surely, 2^8881736840 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 8881736840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368552960).

8881736840 is an abundant number, since it is smaller than the sum of its proper divisors (11855369080).

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

8881736840 is a wasteful number, since it uses less digits than its factorization.

8881736840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734 (or 37730 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 8881736840 is about 94242.9670585556. The cubic root of 8881736840 is about 2070.9326112594.

The spelling of 8881736840 in words is "eight billion, eight hundred eighty-one million, seven hundred thirty-six thousand, eight hundred forty".