89986283520 has 384 divisors, whose sum is σ = 333239961600. Its totient is φ = 20304101376.

The previous prime is 89986283479. The next prime is 89986283531. The reversal of 89986283520 is 2538268998.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16985512 + ... + 16990808.

It is an arithmetic number, because the mean of its divisors is an integer number (867812400).

Almost surely, 2^89986283520 is an apocalyptic number.

89986283520 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 89986283520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166619980800).

89986283520 is an abundant number, since it is smaller than the sum of its proper divisors (243253678080).

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

89986283520 is a wasteful number, since it uses less digits than its factorization.

89986283520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413 (or 5393 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 89986283520 in words is "eighty-nine billion, nine hundred eighty-six million, two hundred eighty-three thousand, five hundred twenty".