878117 has 8 divisors (see below), whose sum is σ = 930624. Its totient is φ = 826848.

The previous prime is 878113. The next prime is 878131. The reversal of 878117 is 711878.

878117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878117 - 2² = 878113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878117.

It is not an unprimeable number, because it can be changed into a prime (878113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (116328).

2⁸⁷⁸¹¹⁷ is an apocalyptic number.

It is an amenable number.

878117 is a deficient number, since it is larger than the sum of its proper divisors (52507).

878117 is a wasteful number, since it uses less digits than its factorization.

878117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its digits is 3136, while the sum is 32.

The square root of 878117 is about 937.0789721256. The cubic root of 878117 is about 95.7599980016.

It can be divided in two parts, 8 and 78117, that added together give a 7-th power (78125 = 5⁷).

The spelling of 878117 in words is "eight hundred seventy-eight thousand, one hundred seventeen".