878816943 has 12 divisors (see below), whose sum is σ = 1269948888. Its totient is φ = 585625680.

The previous prime is 878816927. The next prime is 878816963. The reversal of 878816943 is 349618878.

It is not a de Polignac number, because 878816943 - 2⁴ = 878816927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 878816943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878816963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2413 + ... + 41993.

It is an arithmetic number, because the mean of its divisors is an integer number (105829074).

Almost surely, 2^878816943 is an apocalyptic number.

878816943 is a deficient number, since it is larger than the sum of its proper divisors (391131945).

878816943 is a wasteful number, since it uses less digits than its factorization.

878816943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054 (or 42051 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 878816943 is about 29644.8468203160. The cubic root of 878816943 is about 957.8543452821.

The spelling of 878816943 in words is "eight hundred seventy-eight million, eight hundred sixteen thousand, nine hundred forty-three".