89904522228168 has 128 divisors (see below), whose sum is σ = 233447300997120. Its totient is φ = 28822073978880.

The previous prime is 89904522228089. The next prime is 89904522228203. The reversal of 89904522228168 is 86182222540998.

It is a junction number, because it is equal to n+sod(n) for n = 89904522228099 and 89904522228108.

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, 649375080 + ... + 649513512.

It is an arithmetic number, because the mean of its divisors is an integer number (1823807039040).

Almost surely, 2^{89904522228168} 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 89904522228168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116723650498560).

89904522228168 is an abundant number, since it is smaller than the sum of its proper divisors (143542778768952).

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

89904522228168 is a wasteful number, since it uses less digits than its factorization.

89904522228168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143867 (or 143863 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 89904522228168 in words is "eighty-nine trillion, nine hundred four billion, five hundred twenty-two million, two hundred twenty-eight thousand, one hundred sixty-eight".