89605473616720 has 20 divisors (see below), whose sum is σ = 208332726159060. Its totient is φ = 35842189446656.

The previous prime is 89605473616679. The next prime is 89605473616721. The reversal of 89605473616720 is 2761637450698.

It can be written as a sum of positive squares in 2 ways, for example, as 47922335379216 + 41683138237504 = 6922596^2 + 6456248^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89605473616721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560034210025 + ... + 560034210184.

It is an arithmetic number, because the mean of its divisors is an integer number (10416636307953).

It is a 1-persistent number, because it is pandigital, but 2⋅89605473616720 = 179210947233440 is not.

Almost surely, 2^{89605473616720} is an apocalyptic number.

89605473616720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89605473616720 is an abundant number, since it is smaller than the sum of its proper divisors (118727252542340).

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

89605473616720 is a wasteful number, since it uses less digits than its factorization.

89605473616720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120068420222 (or 1120068420216 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 89605473616720 in words is "eighty-nine trillion, six hundred five billion, four hundred seventy-three million, six hundred sixteen thousand, seven hundred twenty".