868771 has 2 divisors, whose sum is σ = 868772. Its totient is φ = 868770.

The previous prime is 868741. The next prime is 868783. The reversal of 868771 is 177868.

It is a happy number.

868771 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868771 - 2⁵ = 868739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868771.

It is not a weakly prime, because it can be changed into another prime (868741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434385 + 434386.

It is an arithmetic number, because the mean of its divisors is an integer number (434386).

2⁸⁶⁸⁷⁷¹ is an apocalyptic number.

868771 is a deficient number, since it is larger than the sum of its proper divisors (1).

868771 is an equidigital number, since it uses as much as digits as its factorization.

868771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 37.

The square root of 868771 is about 932.0788593247. The cubic root of 868771 is about 95.4190536917.

The spelling of 868771 in words is "eight hundred sixty-eight thousand, seven hundred seventy-one".