881087873 has 2 divisors, whose sum is σ = 881087874. Its totient is φ = 881087872.

The previous prime is 881087863. The next prime is 881087891. The reversal of 881087873 is 378780188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 594530689 + 286557184 = 24383^2 + 16928^2 .

It is a cyclic number.

It is not a de Polignac number, because 881087873 - 2¹⁰ = 881086849 is a prime.

It is not a weakly prime, because it can be changed into another prime (881087813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440543936 + 440543937.

It is an arithmetic number, because the mean of its divisors is an integer number (440543937).

Almost surely, 2^881087873 is an apocalyptic number.

It is an amenable number.

881087873 is a deficient number, since it is larger than the sum of its proper divisors (1).

881087873 is an equidigital number, since it uses as much as digits as its factorization.

881087873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 50.

The square root of 881087873 is about 29683.1243806982. The cubic root of 881087873 is about 958.6786918561.

The spelling of 881087873 in words is "eight hundred eighty-one million, eighty-seven thousand, eight hundred seventy-three".