8711983881 has 6 divisors (see below), whose sum is σ = 12583976730. Its totient is φ = 5807989248.

The previous prime is 8711983859. The next prime is 8711983913. The reversal of 8711983881 is 1883891178.

8711983881 is a `hidden beast` number, since 8 + 71 + 198 + 388 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7411660281 + 1300323600 = 86091^2 + 36060^2 .

It is not a de Polignac number, because 8711983881 - 2²⁵ = 8678429449 is a prime.

It is a super-2 number, since 2×8711983881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8711983811) 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 5 ways as a sum of consecutive naturals, for example, 483999096 + ... + 483999113.

It is an arithmetic number, because the mean of its divisors is an integer number (2097329455).

Almost surely, 2^8711983881 is an apocalyptic number.

It is an amenable number.

8711983881 is a deficient number, since it is larger than the sum of its proper divisors (3871992849).

8711983881 is a wasteful number, since it uses less digits than its factorization.

8711983881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967998215 (or 967998212 counting only the distinct ones).

The product of its digits is 774144, while the sum is 54.

The square root of 8711983881 is about 93338.0087692040. The cubic root of 8711983881 is about 2057.6540265904.

The spelling of 8711983881 in words is "eight billion, seven hundred eleven million, nine hundred eighty-three thousand, eight hundred eighty-one".