881911 has 2 divisors, whose sum is σ = 881912. Its totient is φ = 881910.

The previous prime is 881899. The next prime is 881917. The reversal of 881911 is 119188.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 881911 - 2¹¹ = 879863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 881911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440955 + 440956.

It is an arithmetic number, because the mean of its divisors is an integer number (440956).

2⁸⁸¹⁹¹¹ is an apocalyptic number.

881911 is a deficient number, since it is larger than the sum of its proper divisors (1).

881911 is an equidigital number, since it uses as much as digits as its factorization.

881911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 28.

The square root of 881911 is about 939.1011660093. The cubic root of 881911 is about 95.8977136817.

The spelling of 881911 in words is "eight hundred eighty-one thousand, nine hundred eleven".