889441863752 has 60 divisors (see below), whose sum is σ = 1807590082845. Its totient is φ = 410303564736.

The previous prime is 889441863743. The next prime is 889441863811. The reversal of 889441863752 is 257368144988.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

889441863752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 695079033796 + 194362829956 = 833714^2 + 440866^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=666874.

It is a super-2 number, since 2×889441863752² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 450805838 + ... + 450807810.

Almost surely, 2^889441863752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889441863752

889441863752 is an abundant number, since it is smaller than the sum of its proper divisors (918148219093).

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

889441863752 is an frugal number, since it uses more digits than its factorization.

889441863752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 1988 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 65.

The spelling of 889441863752 in words is "eight hundred eighty-nine billion, four hundred forty-one million, eight hundred sixty-three thousand, seven hundred fifty-two".