878487 has 8 divisors (see below), whose sum is σ = 1183104. Its totient is φ = 579768.

The previous prime is 878467. The next prime is 878489. The reversal of 878487 is 784878.

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

It is not a de Polignac number, because 878487 - 2⁷ = 878359 is a prime.

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 878487.

It is not an unprimeable number, because it can be changed into a prime (878489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 1730.

It is an arithmetic number, because the mean of its divisors is an integer number (147888).

2⁸⁷⁸⁴⁸⁷ is an apocalyptic number.

878487 is a deficient number, since it is larger than the sum of its proper divisors (304617).

878487 is a wasteful number, since it uses less digits than its factorization.

878487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its digits is 100352, while the sum is 42.

The square root of 878487 is about 937.2763733286. The cubic root of 878487 is about 95.7734458011.

The spelling of 878487 in words is "eight hundred seventy-eight thousand, four hundred eighty-seven".