878278 has 16 divisors (see below), whose sum is σ = 1401696. Its totient is φ = 411840.

The previous prime is 878239. The next prime is 878279. The reversal of 878278 is 872878.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 878278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (87606).

2⁸⁷⁸²⁷⁸ is an apocalyptic number.

878278 is a deficient number, since it is larger than the sum of its proper divisors (523418).

878278 is a wasteful number, since it uses less digits than its factorization.

878278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its digits is 50176, while the sum is 40.

The square root of 878278 is about 937.1648734348. The cubic root of 878278 is about 95.7658500758.

It can be divided in two parts, 878 and 278, that added together give a square (1156 = 34²).

The spelling of 878278 in words is "eight hundred seventy-eight thousand, two hundred seventy-eight".