89190720000 has 1200 divisors, whose sum is σ = 353640198912. Its totient is φ = 22394880000.

The previous prime is 89190719987. The next prime is 89190720007. The reversal of 89190720000 is 2709198.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1200).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89190720007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2410559982 + ... + 2410560018.

Almost surely, 2^89190720000 is an apocalyptic number.

89190720000 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 89190720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176820099456).

89190720000 is an abundant number, since it is smaller than the sum of its proper divisors (264449478912).

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

89190720000 is an frugal number, since it uses more digits than its factorization.

89190720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 89190720000 in words is "eighty-nine billion, one hundred ninety million, seven hundred twenty thousand".