885791 has 2 divisors, whose sum is σ = 885792. Its totient is φ = 885790.

The previous prime is 885769. The next prime is 885793. The reversal of 885791 is 197588.

885791 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 is a cyclic number.

It is not a de Polignac number, because 885791 - 2⁶ = 885727 is a prime.

Together with 885793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885793) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442895 + 442896.

It is an arithmetic number, because the mean of its divisors is an integer number (442896).

2⁸⁸⁵⁷⁹¹ is an apocalyptic number.

885791 is a deficient number, since it is larger than the sum of its proper divisors (1).

885791 is an equidigital number, since it uses as much as digits as its factorization.

885791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The square root of 885791 is about 941.1647039706. The cubic root of 885791 is about 96.0381431183.

The spelling of 885791 in words is "eight hundred eighty-five thousand, seven hundred ninety-one".