881127943 has 2 divisors, whose sum is σ = 881127944. Its totient is φ = 881127942.

The previous prime is 881127937. The next prime is 881127971. The reversal of 881127943 is 349721188.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 881127943 - 2¹⁷ = 880996871 is a prime.

It is a super-2 number, since 2×881127943² = 1552772903870822498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 881127943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881127913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440563971 + 440563972.

It is an arithmetic number, because the mean of its divisors is an integer number (440563972).

Almost surely, 2^881127943 is an apocalyptic number.

881127943 is a deficient number, since it is larger than the sum of its proper divisors (1).

881127943 is an equidigital number, since it uses as much as digits as its factorization.

881127943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 881127943 is about 29683.7993356646. The cubic root of 881127943 is about 958.6932245242.

The spelling of 881127943 in words is "eight hundred eighty-one million, one hundred twenty-seven thousand, nine hundred forty-three".