2878232172 has 12 divisors (see below), whose sum is σ = 6715875096. Its totient is φ = 959410720.

The previous prime is 2878232171. The next prime is 2878232207. The reversal of 2878232172 is 2712328782.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2878232171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119926329 + ... + 119926352.

It is an arithmetic number, because the mean of its divisors is an integer number (559656258).

Almost surely, 2^2878232172 is an apocalyptic number.

It is an amenable number.

2878232172 is an abundant number, since it is smaller than the sum of its proper divisors (3837642924).

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

2878232172 is a wasteful number, since it uses less digits than its factorization.

2878232172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239852688 (or 239852686 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 2878232172 is about 53649.1581667411. The cubic root of 2878232172 is about 1422.4661522314.

The spelling of 2878232172 in words is "two billion, eight hundred seventy-eight million, two hundred thirty-two thousand, one hundred seventy-two".