878718 has 16 divisors (see below), whose sum is σ = 1771920. Its totient is φ = 290496.

The previous prime is 878699. The next prime is 878719. The reversal of 878718 is 817878.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878719) 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, 288 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (110745).

2⁸⁷⁸⁷¹⁸ is an apocalyptic number.

878718 is an abundant number, since it is smaller than the sum of its proper divisors (893202).

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

878718 is a wasteful number, since it uses less digits than its factorization.

878718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211.

The product of its digits is 25088, while the sum is 39.

The square root of 878718 is about 937.3995946233. The cubic root of 878718 is about 95.7818396749.

It can be divided in two parts, 878 and 718, that added together give a triangular number (1596 = T₅₆).

The spelling of 878718 in words is "eight hundred seventy-eight thousand, seven hundred eighteen".