89228181889 has 16 divisors (see below), whose sum is σ = 111253109760. Its totient is φ = 69523713360.

The previous prime is 89228181839. The next prime is 89228181901. The reversal of 89228181889 is 98818182298.

It is a cyclic number.

It is not a de Polignac number, because 89228181889 - 2⁹ = 89228181377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89228181889.

It is not an unprimeable number, because it can be changed into a prime (89228181839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468882 + ... + 1528420.

It is an arithmetic number, because the mean of its divisors is an integer number (6953319360).

Almost surely, 2^89228181889 is an apocalyptic number.

It is an amenable number.

89228181889 is a deficient number, since it is larger than the sum of its proper divisors (22024927871).

89228181889 is a wasteful number, since it uses less digits than its factorization.

89228181889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79020.

The product of its digits is 10616832, while the sum is 64.

The spelling of 89228181889 in words is "eighty-nine billion, two hundred twenty-eight million, one hundred eighty-one thousand, eight hundred eighty-nine".