89143888920 has 64 divisors (see below), whose sum is σ = 276058506240. Its totient is φ = 23004873600.

The previous prime is 89143888909. The next prime is 89143888921. The reversal of 89143888920 is 2988834198.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89143888921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11977986 + ... + 11985425.

It is an arithmetic number, because the mean of its divisors is an integer number (4313414160).

Almost surely, 2^89143888920 is an apocalyptic number.

It is an amenable number.

89143888920 is an abundant number, since it is smaller than the sum of its proper divisors (186914617320).

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

89143888920 is a wasteful number, since it uses less digits than its factorization.

89143888920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23963456 (or 23963452 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 60.

The spelling of 89143888920 in words is "eighty-nine billion, one hundred forty-three million, eight hundred eighty-eight thousand, nine hundred twenty".