878213829 has 8 divisors (see below), whose sum is σ = 1239831360. Its totient is φ = 551036096.

The previous prime is 878213813. The next prime is 878213851. The reversal of 878213829 is 928312878.

878213829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 878213829 - 2⁴ = 878213813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878214829) 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, 8609889 + ... + 8609990.

It is an arithmetic number, because the mean of its divisors is an integer number (154978920).

Almost surely, 2^878213829 is an apocalyptic number.

It is an amenable number.

878213829 is a deficient number, since it is larger than the sum of its proper divisors (361617531).

878213829 is a wasteful number, since it uses less digits than its factorization.

878213829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17219899.

The product of its digits is 387072, while the sum is 48.

The square root of 878213829 is about 29634.6727500069. The cubic root of 878213829 is about 957.6351765560.

The spelling of 878213829 in words is "eight hundred seventy-eight million, two hundred thirteen thousand, eight hundred twenty-nine".