878213333 has 2 divisors, whose sum is σ = 878213334. Its totient is φ = 878213332.

The previous prime is 878213309. The next prime is 878213437. The reversal of 878213333 is 333312878.

878213333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472714564 + 405498769 = 21742^2 + 20137^2 .

It is a cyclic number.

It is not a de Polignac number, because 878213333 - 2¹² = 878209237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878213033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439106666 + 439106667.

It is an arithmetic number, because the mean of its divisors is an integer number (439106667).

Almost surely, 2^878213333 is an apocalyptic number.

It is an amenable number.

878213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

878213333 is an equidigital number, since it uses as much as digits as its factorization.

878213333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 878213333 is about 29634.6643814301. The cubic root of 878213333 is about 957.6349962707.

The spelling of 878213333 in words is "eight hundred seventy-eight million, two hundred thirteen thousand, three hundred thirty-three".