1889327222784 has 117 divisors (see below), whose sum is σ = 5458152573003. Its totient is φ = 629687771136.

The previous prime is 1889327222773. The next prime is 1889327222789. The reversal of 1889327222784 is 4872227239881.

The square root of 1889327222784 is 1374528.

It is a perfect power (a square), and thus also a powerful number.

1889327222784 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 327 + 2 + 227 + 84 = 666.

It is not an unprimeable number, because it can be changed into a prime (1889327222789) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 263905797 + ... + 263912955.

Almost surely, 2^{1889327222784} is an apocalyptic number.

1889327222784 is the 1374528-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1889327222784

1889327222784 is an abundant number, since it is smaller than the sum of its proper divisors (3568825350219).

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

1889327222784 is an frugal number, since it uses more digits than its factorization.

1889327222784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14348 (or 7164 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 1889327222784 in words is "one trillion, eight hundred eighty-nine billion, three hundred twenty-seven million, two hundred twenty-two thousand, seven hundred eighty-four".