878482566 has 48 divisors (see below), whose sum is σ = 2067994656. Its totient is φ = 267902208.

The previous prime is 878482489. The next prime is 878482567. The reversal of 878482566 is 665284878.

878482566 is a `hidden beast` number, since 8 + 78 + 4 + 8 + 2 + 566 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878482567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9831 + ... + 43053.

It is an arithmetic number, because the mean of its divisors is an integer number (43083222).

Almost surely, 2^878482566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878482566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033997328).

878482566 is an abundant number, since it is smaller than the sum of its proper divisors (1189512090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878482566 is a wasteful number, since it uses less digits than its factorization.

878482566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33357 (or 33354 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 878482566 is about 29639.2065683277. The cubic root of 878482566 is about 957.7328466792.

The spelling of 878482566 in words is "eight hundred seventy-eight million, four hundred eighty-two thousand, five hundred sixty-six".