878041 has 2 divisors, whose sum is σ = 878042. Its totient is φ = 878040.

The previous prime is 878039. The next prime is 878077. The reversal of 878041 is 140878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 632025 + 246016 = 795^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 878041 - 2¹ = 878039 is a prime.

Together with 878039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (878011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439020 + 439021.

It is an arithmetic number, because the mean of its divisors is an integer number (439021).

2⁸⁷⁸⁰⁴¹ is an apocalyptic number.

It is an amenable number.

878041 is a deficient number, since it is larger than the sum of its proper divisors (1).

878041 is an equidigital number, since it uses as much as digits as its factorization.

878041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 878041 is about 937.0384197033. The cubic root of 878041 is about 95.7572352833.

It can be divided in two parts, 87 and 8041, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 878041 in words is "eight hundred seventy-eight thousand, forty-one".