89581036032 has 60 divisors (see below), whose sum is σ = 258536948670. Its totient is φ = 29860343808.

The previous prime is 89581036007. The next prime is 89581036037. The reversal of 89581036032 is 23063018598.

It is a happy number.

89581036032 is a `hidden beast` number, since 8 + 9 + 581 + 0 + 3 + 60 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80392663296 + 9188372736 = 283536^2 + 95856^2 .

It is not an unprimeable number, because it can be changed into a prime (89581036037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9715557 + ... + 9724772.

Almost surely, 2^89581036032 is an apocalyptic number.

It is an amenable number.

89581036032 is an abundant number, since it is smaller than the sum of its proper divisors (168955912638).

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

89581036032 is a wasteful number, since it uses less digits than its factorization.

89581036032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19440353 (or 19440334 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 89581036032 in words is "eighty-nine billion, five hundred eighty-one million, thirty-six thousand, thirty-two".