89721675589 has 8 divisors (see below), whose sum is σ = 110426677760. Its totient is φ = 70988578416.

The previous prime is 89721675583. The next prime is 89721675611. The reversal of 89721675589 is 98557612798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89721675589 - 2⁹ = 89721675077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89721675583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492976149 + ... + 492976330.

It is an arithmetic number, because the mean of its divisors is an integer number (13803334720).

Almost surely, 2^89721675589 is an apocalyptic number.

It is an amenable number.

89721675589 is a deficient number, since it is larger than the sum of its proper divisors (20705002171).

89721675589 is a wasteful number, since it uses less digits than its factorization.

89721675589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985952499.

The product of its digits is 76204800, while the sum is 67.

The spelling of 89721675589 in words is "eighty-nine billion, seven hundred twenty-one million, six hundred seventy-five thousand, five hundred eighty-nine".