878803 has 4 divisors (see below), whose sum is σ = 882720. Its totient is φ = 874888.

The previous prime is 878797. The next prime is 878821. The reversal of 878803 is 308878.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308878 = 2 ⋅154439.

It is a cyclic number.

It is not a de Polignac number, because 878803 - 2⁹ = 878291 is a prime.

It is a Duffinian number.

878803 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (878833) 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 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (220680).

2⁸⁷⁸⁸⁰³ is an apocalyptic number.

878803 is a deficient number, since it is larger than the sum of its proper divisors (3917).

878803 is a wasteful number, since it uses less digits than its factorization.

878803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 878803 is about 937.4449317160. Note that the first 3 decimals coincide. The cubic root of 878803 is about 95.7849279595.

It can be divided in two parts, 878 and 803, that added together give a square (1681 = 41²).

The spelling of 878803 in words is "eight hundred seventy-eight thousand, eight hundred three".