878285846 has 16 divisors (see below), whose sum is σ = 1350433728. Its totient is φ = 428155200.

The previous prime is 878285827. The next prime is 878285861. The reversal of 878285846 is 648582878.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 878285791 and 878285800.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189011 + ... + 193601.

It is an arithmetic number, because the mean of its divisors is an integer number (84402108).

Almost surely, 2^878285846 is an apocalyptic number.

878285846 is a deficient number, since it is larger than the sum of its proper divisors (472147882).

878285846 is a wasteful number, since it uses less digits than its factorization.

878285846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967.

The product of its digits is 6881280, while the sum is 56.

The square root of 878285846 is about 29635.8878051595. The cubic root of 878285846 is about 957.6613524618.

The spelling of 878285846 in words is "eight hundred seventy-eight million, two hundred eighty-five thousand, eight hundred forty-six".