878115 has 16 divisors (see below), whose sum is σ = 1605888. Its totient is φ = 401376.

The previous prime is 878113. The next prime is 878131. The reversal of 878115 is 511878.

878115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 878115 - 2¹ = 878113 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4077 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (100368).

2⁸⁷⁸¹¹⁵ is an apocalyptic number.

878115 is a deficient number, since it is larger than the sum of its proper divisors (727773).

878115 is a wasteful number, since it uses less digits than its factorization.

878115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378.

The product of its digits is 2240, while the sum is 30.

The square root of 878115 is about 937.0779049791. The cubic root of 878115 is about 95.7599253005.

The spelling of 878115 in words is "eight hundred seventy-eight thousand, one hundred fifteen".