89056437328 has 80 divisors (see below), whose sum is σ = 188222328000. Its totient is φ = 40658236416.

The previous prime is 89056437311. The next prime is 89056437329. The reversal of 89056437328 is 82373465098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89056437329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5166388 + ... + 5183596.

It is an arithmetic number, because the mean of its divisors is an integer number (2352779100).

Almost surely, 2^89056437328 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 89056437328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94111164000).

89056437328 is an abundant number, since it is smaller than the sum of its proper divisors (99165890672).

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

89056437328 is a wasteful number, since it uses less digits than its factorization.

89056437328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17852 (or 17846 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 89056437328 in words is "eighty-nine billion, fifty-six million, four hundred thirty-seven thousand, three hundred twenty-eight".