8871944481 has 9 divisors (see below), whose sum is σ = 12815439091. Its totient is φ = 5914441272.

The previous prime is 8871944453. The next prime is 8871944507. The reversal of 8871944481 is 1844491788.

The square root of 8871944481 is 94191.

It is a perfect power (a square), and thus also a powerful number.

8871944481 is a `hidden beast` number, since 8 + 8 + 7 + 194 + 448 + 1 = 666.

8871944481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3761982225 + 5109962256 = 61335^2 + 71484^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8871944481 - 2¹¹ = 8871942433 is a prime.

It is a super-2 number, since 2×8871944481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8871944881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 266875 + ... + 298271.

Almost surely, 2^8871944481 is an apocalyptic number.

8871944481 is the 94191-st square number.

8871944481 is the 47096-th centered octagonal number.

It is an amenable number.

8871944481 is a deficient number, since it is larger than the sum of its proper divisors (3943494610).

8871944481 is an frugal number, since it uses more digits than its factorization.

8871944481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62800 (or 31400 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The cubic root of 8871944481 is about 2070.1712446722.

The spelling of 8871944481 in words is "eight billion, eight hundred seventy-one million, nine hundred forty-four thousand, four hundred eighty-one".