8811897984 has 160 divisors (see below), whose sum is σ = 26655881340. Its totient is φ = 2888939520.

The previous prime is 8811897971. The next prime is 8811897989. The reversal of 8811897984 is 4897981188.

It can be written as a sum of positive squares in 2 ways, for example, as 8774443584 + 37454400 = 93672^2 + 6120^2 .

It is not an unprimeable number, because it can be changed into a prime (8811897989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 625482 + ... + 639414.

Almost surely, 2^8811897984 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 8811897984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13327940670).

8811897984 is an abundant number, since it is smaller than the sum of its proper divisors (17843983356).

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

8811897984 is a wasteful number, since it uses less digits than its factorization.

8811897984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14020 (or 13999 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 63.

The square root of 8811897984 is about 93871.7102432890. The cubic root of 8811897984 is about 2065.4902703946.

The spelling of 8811897984 in words is "eight billion, eight hundred eleven million, eight hundred ninety-seven thousand, nine hundred eighty-four".