89539632420 has 96 divisors (see below), whose sum is σ = 286796294400. Its totient is φ = 20446953984.

The previous prime is 89539632407. The next prime is 89539632421. The reversal of 89539632420 is 2423693598.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89539632421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349266 + ... + 548694.

It is an arithmetic number, because the mean of its divisors is an integer number (2987461400).

Almost surely, 2^89539632420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89539632420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143398147200).

89539632420 is an abundant number, since it is smaller than the sum of its proper divisors (197256661980).

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

89539632420 is a wasteful number, since it uses less digits than its factorization.

89539632420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200517 (or 200515 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 89539632420 in words is "eighty-nine billion, five hundred thirty-nine million, six hundred thirty-two thousand, four hundred twenty".