985466664589 has 8 divisors (see below), whose sum is σ = 1085698648800. Its totient is φ = 887008698000.

The previous prime is 985466664571. The next prime is 985466664607.

985466664589 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (985466664571) and next prime (985466664607).

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

It is a cyclic number.

It is not a de Polignac number, because 985466664589 - 2¹⁹ = 985466140301 is a prime.

It is a super-2 number, since 2×985466664589² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985466664529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443503239 + ... + 443505460.

It is an arithmetic number, because the mean of its divisors is an integer number (135712331100).

Almost surely, 2^985466664589 is an apocalyptic number.

It is an amenable number.

985466664589 is a deficient number, since it is larger than the sum of its proper divisors (100231984211).

985466664589 is a wasteful number, since it uses less digits than its factorization.

985466664589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887008811.

The product of its digits is 2687385600, while the sum is 76.

The spelling of 985466664589 in words is "nine hundred eighty-five billion, four hundred sixty-six million, six hundred sixty-four thousand, five hundred eighty-nine".