89563446544 has 160 divisors (see below), whose sum is σ = 218822494464. Its totient is φ = 34882928640.

The previous prime is 89563446523. The next prime is 89563446551. The reversal of 89563446544 is 44564436598.

It is a super-2 number, since 2×89563446544² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2823637 + ... + 2855179.

Almost surely, 2^89563446544 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 89563446544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109411247232).

89563446544 is an abundant number, since it is smaller than the sum of its proper divisors (129259047920).

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

89563446544 is a wasteful number, since it uses less digits than its factorization.

89563446544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31665 (or 31659 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 58.

The spelling of 89563446544 in words is "eighty-nine billion, five hundred sixty-three million, four hundred forty-six thousand, five hundred forty-four".