89437718328 has 128 divisors (see below), whose sum is σ = 263959019520. Its totient is φ = 24712490880.

The previous prime is 89437718323. The next prime is 89437718371. The reversal of 89437718328 is 82381773498.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89437718323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8968401 + ... + 8978367.

It is an arithmetic number, because the mean of its divisors is an integer number (2062179840).

Almost surely, 2^89437718328 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 89437718328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131979509760).

89437718328 is an abundant number, since it is smaller than the sum of its proper divisors (174521301192).

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

89437718328 is a wasteful number, since it uses less digits than its factorization.

89437718328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737 (or 11733 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The spelling of 89437718328 in words is "eighty-nine billion, four hundred thirty-seven million, seven hundred eighteen thousand, three hundred twenty-eight".