4387172172 has 12 divisors (see below), whose sum is σ = 10236735096. Its totient is φ = 1462390720.

The previous prime is 4387172161. The next prime is 4387172203. The reversal of 4387172172 is 2712717834.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182798829 + ... + 182798852.

It is an arithmetic number, because the mean of its divisors is an integer number (853061258).

Almost surely, 2^4387172172 is an apocalyptic number.

It is an amenable number.

4387172172 is an abundant number, since it is smaller than the sum of its proper divisors (5849562924).

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

4387172172 is a wasteful number, since it uses less digits than its factorization.

4387172172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365597688 (or 365597686 counting only the distinct ones).

The product of its digits is 131712, while the sum is 42.

The square root of 4387172172 is about 66235.7318371285. The cubic root of 4387172172 is about 1637.0485498842.

The spelling of 4387172172 in words is "four billion, three hundred eighty-seven million, one hundred seventy-two thousand, one hundred seventy-two".