878107212 has 18 divisors (see below), whose sum is σ = 2219659988. Its totient is φ = 292702392.

The previous prime is 878107189. The next prime is 878107247. The reversal of 878107212 is 212701878.

It is a happy number.

878107212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 24391867 = 878107212 / (8 + 7 + 8 + 1 + 0 + 7 + 2 + 1 + 2).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12195898 + ... + 12195969.

Almost surely, 2^878107212 is an apocalyptic number.

It is an amenable number.

878107212 is an abundant number, since it is smaller than the sum of its proper divisors (1341552776).

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

878107212 is a wasteful number, since it uses less digits than its factorization.

878107212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391877 (or 24391872 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 878107212 is about 29632.8738397071. The cubic root of 878107212 is about 957.5964220150.

The spelling of 878107212 in words is "eight hundred seventy-eight million, one hundred seven thousand, two hundred twelve".