89389221842 has 18 divisors (see below), whose sum is σ = 135015577893. Its totient is φ = 44386162272.

The previous prime is 89389221821. The next prime is 89389221847. The reversal of 89389221842 is 24812298398.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49649198041 + 39740023801 = 222821^2 + 199349^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=211411.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89389221847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68919338 + ... + 68920634.

Almost surely, 2^89389221842 is an apocalyptic number.

89389221842 is a deficient number, since it is larger than the sum of its proper divisors (45626356051).

89389221842 is an frugal number, since it uses more digits than its factorization.

89389221842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922 (or 1462 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The spelling of 89389221842 in words is "eighty-nine billion, three hundred eighty-nine million, two hundred twenty-one thousand, eight hundred forty-two".