89471689344 has 128 divisors (see below), whose sum is σ = 265816080000. Its totient is φ = 29626214400.

The previous prime is 89471689313. The next prime is 89471689381. The reversal of 89471689344 is 44398617498.

89471689344 is a `hidden beast` number, since 89 + 471 + 6 + 89 + 3 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436132 + ... + 607580.

It is an arithmetic number, because the mean of its divisors is an integer number (2076688125).

Almost surely, 2^89471689344 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 89471689344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132908040000).

89471689344 is an abundant number, since it is smaller than the sum of its proper divisors (176344390656).

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

89471689344 is a wasteful number, since it uses less digits than its factorization.

89471689344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171623 (or 171605 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 89471689344 in words is "eighty-nine billion, four hundred seventy-one million, six hundred eighty-nine thousand, three hundred forty-four".