878893 has 2 divisors, whose sum is σ = 878894. Its totient is φ = 878892.

The previous prime is 878873. The next prime is 878929. The reversal of 878893 is 398878.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 328329 = 742^2 + 573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-878893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878833) 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, 439446 + 439447.

It is an arithmetic number, because the mean of its divisors is an integer number (439447).

2⁸⁷⁸⁸⁹³ is an apocalyptic number.

It is an amenable number.

878893 is a deficient number, since it is larger than the sum of its proper divisors (1).

878893 is an equidigital number, since it uses as much as digits as its factorization.

878893 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 878893 is about 937.4929333067. The cubic root of 878893 is about 95.7881976909.

It can be divided in two parts, 878 and 893, that added together give a palindrome (1771).

The spelling of 878893 in words is "eight hundred seventy-eight thousand, eight hundred ninety-three".