878213199 has 4 divisors (see below), whose sum is σ = 1170950936. Its totient is φ = 585475464.

The previous prime is 878213197. The next prime is 878213227. The reversal of 878213199 is 991312878.

878213199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 878213199 - 2¹ = 878213197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878213191) 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, 146368864 + ... + 146368869.

It is an arithmetic number, because the mean of its divisors is an integer number (292737734).

Almost surely, 2^878213199 is an apocalyptic number.

878213199 is a deficient number, since it is larger than the sum of its proper divisors (292737737).

878213199 is a wasteful number, since it uses less digits than its factorization.

878213199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292737736.

The product of its digits is 217728, while the sum is 48.

The square root of 878213199 is about 29634.6621205642. The cubic root of 878213199 is about 957.6349475646.

The spelling of 878213199 in words is "eight hundred seventy-eight million, two hundred thirteen thousand, one hundred ninety-nine".