878112 has 36 divisors (see below), whose sum is σ = 2497950. Its totient is φ = 292608.

The previous prime is 878107. The next prime is 878113. The reversal of 878112 is 211878.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 24336 = 924^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 16.

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 5 ways as a sum of consecutive naturals, for example, 1237 + ... + 1812.

2⁸⁷⁸¹¹² is an apocalyptic number.

It is an amenable number.

878112 is an abundant number, since it is smaller than the sum of its proper divisors (1619838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878112 is a wasteful number, since it uses less digits than its factorization.

878112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3054 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 878112 is about 937.0763042570. The cubic root of 878112 is about 95.7598162487.

It can be divided in two parts, 878 and 112, that added together give a triangular number (990 = T₄₄).

The spelling of 878112 in words is "eight hundred seventy-eight thousand, one hundred twelve".