89439055296 has 84 divisors (see below), whose sum is σ = 244521157896. Its totient is φ = 28851248640.

The previous prime is 89439055289. The next prime is 89439055297. The reversal of 89439055296 is 69255093498.

It is a super-2 number, since 2×89439055296² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89439055297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57855 + ... + 426878.

Almost surely, 2^89439055296 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 89439055296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122260578948).

89439055296 is an abundant number, since it is smaller than the sum of its proper divisors (155082102600).

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

89439055296 is a wasteful number, since it uses less digits than its factorization.

89439055296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484810 (or 484769 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 89439055296 in words is "eighty-nine billion, four hundred thirty-nine million, fifty-five thousand, two hundred ninety-six".