89481144144 has 80 divisors (see below), whose sum is σ = 275668641792. Its totient is φ = 24454472064.

The previous prime is 89481144127. The next prime is 89481144149. The reversal of 89481144144 is 44144118498.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 89481144093 and 89481144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89481144149) 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, 5781684 + ... + 5797139.

Almost surely, 2^89481144144 is an apocalyptic number.

89481144144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

89481144144 is an abundant number, since it is smaller than the sum of its proper divisors (186187497648).

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

89481144144 is a wasteful number, since it uses less digits than its factorization.

89481144144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578864 (or 11578858 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The spelling of 89481144144 in words is "eighty-nine billion, four hundred eighty-one million, one hundred forty-four thousand, one hundred forty-four".