89558456842089 has 9 divisors (see below), whose sum is σ = 129362256447229. Its totient is φ = 59705618967660.

The previous prime is 89558456842081. The next prime is 89558456842117. The reversal of 89558456842089 is 98024865485598.

It is a happy number.

The square root of 89558456842089 is 9463533.

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

89558456842089 is a `hidden beast` number, since 8 + 9 + 5 + 5 + 8 + 4 + 568 + 42 + 0 + 8 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 89558456842089 - 2³ = 89558456842081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89558456841999 and 89558456842017.

It is not an unprimeable number, because it can be changed into a prime (89558456842081) 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, 26813344 + ... + 29967854.

Almost surely, 2^{89558456842089} is an apocalyptic number.

89558456842089 is the 9463533-rd square number.

89558456842089 is the 4731767-th centered octagonal number.

It is an amenable number.

89558456842089 is a deficient number, since it is larger than the sum of its proper divisors (39803799605140).

89558456842089 is an frugal number, since it uses more digits than its factorization.

89558456842089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309028 (or 3154514 counting only the distinct ones).

The product of its (nonzero) digits is 7962624000, while the sum is 81.

The spelling of 89558456842089 in words is "eighty-nine trillion, five hundred fifty-eight billion, four hundred fifty-six million, eight hundred forty-two thousand, eighty-nine".