885211081 has 2 divisors, whose sum is σ = 885211082. Its totient is φ = 885211080.

The previous prime is 885211079. The next prime is 885211099. The reversal of 885211081 is 180112588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857962681 + 27248400 = 29291^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 885211081 - 2¹ = 885211079 is a prime.

It is a super-3 number, since 3×885211081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 885211079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (885211021) 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, 442605540 + 442605541.

It is an arithmetic number, because the mean of its divisors is an integer number (442605541).

Almost surely, 2^885211081 is an apocalyptic number.

It is an amenable number.

885211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

885211081 is an equidigital number, since it uses as much as digits as its factorization.

885211081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 885211081 is about 29752.4970548692. The cubic root of 885211081 is about 960.1718012116.

The spelling of 885211081 in words is "eight hundred eighty-five million, two hundred eleven thousand, eighty-one".