8855577481 has 2 divisors, whose sum is σ = 8855577482. Its totient is φ = 8855577480.

The previous prime is 8855577469. The next prime is 8855577487. The reversal of 8855577481 is 1847755588.

8855577481 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., 6973753081 + 1881824400 = 83509^2 + 43380^2 .

It is a cyclic number.

It is not a de Polignac number, because 8855577481 - 2⁵ = 8855577449 is a prime.

It is a super-2 number, since 2×8855577481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8855577487) 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, 4427788740 + 4427788741.

It is an arithmetic number, because the mean of its divisors is an integer number (4427788741).

Almost surely, 2^8855577481 is an apocalyptic number.

It is an amenable number.

8855577481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8855577481 is an equidigital number, since it uses as much as digits as its factorization.

8855577481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544000, while the sum is 58.

The square root of 8855577481 is about 94104.0779190785. The cubic root of 8855577481 is about 2068.8974408766.

The spelling of 8855577481 in words is "eight billion, eight hundred fifty-five million, five hundred seventy-seven thousand, four hundred eighty-one".