878159 has 2 divisors, whose sum is σ = 878160. Its totient is φ = 878158.

The previous prime is 878153. The next prime is 878167. The reversal of 878159 is 951878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 878159 - 2¹² = 874063 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439079 + 439080.

It is an arithmetic number, because the mean of its divisors is an integer number (439080).

2⁸⁷⁸¹⁵⁹ is an apocalyptic number.

878159 is a deficient number, since it is larger than the sum of its proper divisors (1).

878159 is an equidigital number, since it uses as much as digits as its factorization.

878159 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 878159 is about 937.1013819219. The cubic root of 878159 is about 95.7615246986.

The spelling of 878159 in words is "eight hundred seventy-eight thousand, one hundred fifty-nine".