89385120000 has 1620 divisors, whose sum is σ = 386415869840. Its totient is φ = 20528640000.

The previous prime is 89385119969. The next prime is 89385120001. The reversal of 89385120000 is 2158398.

It is a tau number, because it is divible by the number of its divisors (1620).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (89385120001) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 4704479991 + ... + 4704480009.

Almost surely, 2^89385120000 is an apocalyptic number.

89385120000 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 89385120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193207934920).

89385120000 is an abundant number, since it is smaller than the sum of its proper divisors (297030749840).

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

89385120000 is an equidigital number, since it uses as much as digits as its factorization.

89385120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Adding to 89385120000 its reverse (2158398), we get a palindrome (89387278398).

The spelling of 89385120000 in words is "eighty-nine billion, three hundred eighty-five million, one hundred twenty thousand".