878603 has 4 divisors (see below), whose sum is σ = 958488. Its totient is φ = 798720.

The previous prime is 878597. The next prime is 878609. The reversal of 878603 is 306878.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (878597) and next prime (878609).

It is a cyclic number.

It is not a de Polignac number, because 878603 - 2⁶ = 878539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878603.

It is not an unprimeable number, because it can be changed into a prime (878609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39926 + ... + 39947.

It is an arithmetic number, because the mean of its divisors is an integer number (239622).

2⁸⁷⁸⁶⁰³ is an apocalyptic number.

878603 is a deficient number, since it is larger than the sum of its proper divisors (79885).

878603 is a wasteful number, since it uses less digits than its factorization.

878603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79884.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 878603 is about 937.3382527135. The cubic root of 878603 is about 95.7776610905. Note that the first 3 decimals are identical.

The spelling of 878603 in words is "eight hundred seventy-eight thousand, six hundred three".