89030027640 has 128 divisors (see below), whose sum is σ = 268875339840. Its totient is φ = 23583031296.

The previous prime is 89030027627. The next prime is 89030027683. The reversal of 89030027640 is 4672003098.

It is a Cunningham number, because it is equal to 298379²-1.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 17900194 + ... + 17905166.

Almost surely, 2^89030027640 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 89030027640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134437669920).

89030027640 is an abundant number, since it is smaller than the sum of its proper divisors (179845312200).

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

89030027640 is a wasteful number, since it uses less digits than its factorization.

89030027640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 89030027640 in words is "eighty-nine billion, thirty million, twenty-seven thousand, six hundred forty".