8851224881 has 2 divisors, whose sum is σ = 8851224882. Its totient is φ = 8851224880.

The previous prime is 8851224779. The next prime is 8851224931. The reversal of 8851224881 is 1884221588.

8851224881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8534064400 + 317160481 = 92380^2 + 17809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8851224881 is a prime.

It is a super-2 number, since 2×8851224881² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8851220881) 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, 4425612440 + 4425612441.

It is an arithmetic number, because the mean of its divisors is an integer number (4425612441).

Almost surely, 2^8851224881 is an apocalyptic number.

It is an amenable number.

8851224881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8851224881 is an equidigital number, since it uses as much as digits as its factorization.

8851224881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 327680, while the sum is 47.

The square root of 8851224881 is about 94080.9485549545. The cubic root of 8851224881 is about 2068.5584244476.

The spelling of 8851224881 in words is "eight billion, eight hundred fifty-one million, two hundred twenty-four thousand, eight hundred eighty-one".