878780223 has 6 divisors (see below), whose sum is σ = 1269349224. Its totient is φ = 585853476.

The previous prime is 878780209. The next prime is 878780233. The reversal of 878780223 is 322087878.

It is not a de Polignac number, because 878780223 - 2¹³ = 878772031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878780233) 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 5 ways as a sum of consecutive naturals, for example, 48821115 + ... + 48821132.

It is an arithmetic number, because the mean of its divisors is an integer number (211558204).

Almost surely, 2^878780223 is an apocalyptic number.

878780223 is a deficient number, since it is larger than the sum of its proper divisors (390569001).

878780223 is a wasteful number, since it uses less digits than its factorization.

878780223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97642253 (or 97642250 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 878780223 is about 29644.2274819230. The cubic root of 878780223 is about 957.8410042779.

The spelling of 878780223 in words is "eight hundred seventy-eight million, seven hundred eighty thousand, two hundred twenty-three".