89896432444 has 96 divisors (see below), whose sum is σ = 202343049216. Its totient is φ = 33997017600.

The previous prime is 89896432421. The next prime is 89896432447. The reversal of 89896432444 is 44423469898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89896432447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674544 + ... + 796744.

It is an arithmetic number, because the mean of its divisors is an integer number (2107740096).

Almost surely, 2^89896432444 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 89896432444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101171524608).

89896432444 is an abundant number, since it is smaller than the sum of its proper divisors (112446616772).

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

89896432444 is a wasteful number, since it uses less digits than its factorization.

89896432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122315 (or 122313 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 61.

The spelling of 89896432444 in words is "eighty-nine billion, eight hundred ninety-six million, four hundred thirty-two thousand, four hundred forty-four".