17889055172 has 12 divisors (see below), whose sum is σ = 31454216976. Its totient is φ = 8902136040.

The previous prime is 17889055127. The next prime is 17889055183. The reversal of 17889055172 is 27155098871.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10596938 + ... + 10598625.

It is an arithmetic number, because the mean of its divisors is an integer number (2621184748).

Almost surely, 2^17889055172 is an apocalyptic number.

It is an amenable number.

17889055172 is a deficient number, since it is larger than the sum of its proper divisors (13565161804).

17889055172 is a wasteful number, since it uses less digits than its factorization.

17889055172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21195778 (or 21195776 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 53.

The spelling of 17889055172 in words is "seventeen billion, eight hundred eighty-nine million, fifty-five thousand, one hundred seventy-two".