878561338 has 8 divisors (see below), whose sum is σ = 1318429620. Its totient is φ = 439084800.

The previous prime is 878561323. The next prime is 878561357. The reversal of 878561338 is 833165878.

878561338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 869483169 + 9078169 = 29487^2 + 3013^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 878561291 and 878561300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92263 + ... + 101338.

Almost surely, 2^878561338 is an apocalyptic number.

878561338 is a deficient number, since it is larger than the sum of its proper divisors (439868282).

878561338 is a wasteful number, since it uses less digits than its factorization.

878561338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195872.

The product of its digits is 967680, while the sum is 49.

The square root of 878561338 is about 29640.5353865277. The cubic root of 878561338 is about 957.7614719018.

The spelling of 878561338 in words is "eight hundred seventy-eight million, five hundred sixty-one thousand, three hundred thirty-eight".