8810321881 has 2 divisors, whose sum is σ = 8810321882. Its totient is φ = 8810321880.

The previous prime is 8810321867. The next prime is 8810321921. The reversal of 8810321881 is 1881230188.

8810321881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (8810321921) can be obtained adding 8810321881 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8809511881 + 810000 = 93859^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 8810321881 - 2⁹ = 8810321369 is a prime.

It is a super-2 number, since 2×8810321881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8810391881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4405160940 + 4405160941.

It is an arithmetic number, because the mean of its divisors is an integer number (4405160941).

Almost surely, 2^8810321881 is an apocalyptic number.

It is an amenable number.

8810321881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8810321881 is an equidigital number, since it uses as much as digits as its factorization.

8810321881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 40.

The square root of 8810321881 is about 93863.3148839311. The cubic root of 8810321881 is about 2065.3671179808.

The spelling of 8810321881 in words is "eight billion, eight hundred ten million, three hundred twenty-one thousand, eight hundred eighty-one".