878439212 has 24 divisors (see below), whose sum is σ = 1794261504. Its totient is φ = 368463312.

The previous prime is 878439197. The next prime is 878439229. The reversal of 878439212 is 212934878.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 332438 + ... + 335069.

It is an arithmetic number, because the mean of its divisors is an integer number (74760896).

Almost surely, 2^878439212 is an apocalyptic number.

It is an amenable number.

878439212 is an abundant number, since it is smaller than the sum of its proper divisors (915822292).

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

878439212 is a wasteful number, since it uses less digits than its factorization.

878439212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667565 (or 667563 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 878439212 is about 29638.4751969463. The cubic root of 878439212 is about 957.7170913930.

The spelling of 878439212 in words is "eight hundred seventy-eight million, four hundred thirty-nine thousand, two hundred twelve".