878071 has 4 divisors (see below), whose sum is σ = 916272. Its totient is φ = 839872.

The previous prime is 878041. The next prime is 878077. The reversal of 878071 is 170878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170878 = 2 ⋅85439.

It is a cyclic number.

It is not a de Polignac number, because 878071 - 2⁵ = 878039 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19066 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (229068).

2⁸⁷⁸⁰⁷¹ is an apocalyptic number.

878071 is a deficient number, since it is larger than the sum of its proper divisors (38201).

878071 is a wasteful number, since it uses less digits than its factorization.

878071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38200.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 878071 is about 937.0544274481. The cubic root of 878071 is about 95.7583258490.

The spelling of 878071 in words is "eight hundred seventy-eight thousand, seventy-one".