89230561398 has 96 divisors (see below), whose sum is σ = 220584798720. Its totient is φ = 25804437120.

The previous prime is 89230561397. The next prime is 89230561487. The reversal of 89230561398 is 89316503298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89230561397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1976890 + ... + 2021522.

It is an arithmetic number, because the mean of its divisors is an integer number (2297758320).

Almost surely, 2^89230561398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89230561398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110292399360).

89230561398 is an abundant number, since it is smaller than the sum of its proper divisors (131354237322).

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

89230561398 is a wasteful number, since it uses less digits than its factorization.

89230561398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45114 (or 45111 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 89230561398 in words is "eighty-nine billion, two hundred thirty million, five hundred sixty-one thousand, three hundred ninety-eight".