878784322 has 48 divisors (see below), whose sum is σ = 1496404728. Its totient is φ = 384721920.

The previous prime is 878784251. The next prime is 878784323. The reversal of 878784322 is 223487878.

It can be written as a sum of positive squares in 4 ways, for example, as 276523641 + 602260681 = 16629^2 + 24541^2 .

It is not an unprimeable number, because it can be changed into a prime (878784323) 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, 2489298 + ... + 2489650.

Almost surely, 2^878784322 is an apocalyptic number.

878784322 is a deficient number, since it is larger than the sum of its proper divisors (617620406).

878784322 is a wasteful number, since it uses less digits than its factorization.

878784322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 572 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 878784322 is about 29644.2966184054. The cubic root of 878784322 is about 957.8424935332.

The spelling of 878784322 in words is "eight hundred seventy-eight million, seven hundred eighty-four thousand, three hundred twenty-two".