89233209520 has 320 divisors, whose sum is σ = 262323210240. Its totient is φ = 27479015424.

The previous prime is 89233209511. The next prime is 89233209523. The reversal of 89233209520 is 2590233298.

It is not an unprimeable number, because it can be changed into a prime (89233209523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44239552 + ... + 44241568.

It is an arithmetic number, because the mean of its divisors is an integer number (819760032).

Almost surely, 2^89233209520 is an apocalyptic number.

89233209520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89233209520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131161605120).

89233209520 is an abundant number, since it is smaller than the sum of its proper divisors (173090000720).

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

89233209520 is a wasteful number, since it uses less digits than its factorization.

89233209520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 89233209520 in words is "eighty-nine billion, two hundred thirty-three million, two hundred nine thousand, five hundred twenty".