878499 has 8 divisors (see below), whose sum is σ = 1301520. Its totient is φ = 585648.

The previous prime is 878489. The next prime is 878513. The reversal of 878499 is 994878.

It is not a de Polignac number, because 878499 - 2⁵ = 878467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878419) 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, 16242 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (162690).

2⁸⁷⁸⁴⁹⁹ is an apocalyptic number.

878499 is a deficient number, since it is larger than the sum of its proper divisors (423021).

878499 is a wasteful number, since it uses less digits than its factorization.

878499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32546 (or 32540 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 878499 is about 937.2827748337. The cubic root of 878499 is about 95.7738818827.

The spelling of 878499 in words is "eight hundred seventy-eight thousand, four hundred ninety-nine".