17989783882 has 8 divisors (see below), whose sum is σ = 30839629536. Its totient is φ = 7709907372.

The previous prime is 17989783853. The next prime is 17989783883. The reversal of 17989783882 is 28838798971.

17989783882 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (17989783883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642492268 + ... + 642492295.

It is an arithmetic number, because the mean of its divisors is an integer number (3854953692).

Almost surely, 2^17989783882 is an apocalyptic number.

17989783882 is a deficient number, since it is larger than the sum of its proper divisors (12849845654).

17989783882 is a wasteful number, since it uses less digits than its factorization.

17989783882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284984572.

The product of its digits is 97542144, while the sum is 70.

The spelling of 17989783882 in words is "seventeen billion, nine hundred eighty-nine million, seven hundred eighty-three thousand, eight hundred eighty-two".