89441786318209 has 48 divisors (see below), whose sum is σ = 101312020518912. Its totient is φ = 78776817223104.

The previous prime is 89441786318207. The next prime is 89441786318239. The reversal of 89441786318209 is 90281368714498.

It is not a de Polignac number, because 89441786318209 - 2¹ = 89441786318207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89441786318201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8111156754 + ... + 8111167780.

It is an arithmetic number, because the mean of its divisors is an integer number (2110667094144).

Almost surely, 2^{89441786318209} is an apocalyptic number.

It is an amenable number.

89441786318209 is a deficient number, since it is larger than the sum of its proper divisors (11870234200703).

89441786318209 is a wasteful number, since it uses less digits than its factorization.

89441786318209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16046 (or 16033 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 89441786318209 in words is "eighty-nine trillion, four hundred forty-one billion, seven hundred eighty-six million, three hundred eighteen thousand, two hundred nine".