8665344466985 has 16 divisors (see below), whose sum is σ = 10406811619152. Its totient is φ = 6926678880000.

The previous prime is 8665344466949. The next prime is 8665344467029. The reversal of 8665344466985 is 5896644435668.

It can be written as a sum of positive squares in 8 ways, for example, as 1621516998544 + 7043827468441 = 1273388^2 + 2654021^2 .

It is not a de Polignac number, because 8665344466985 - 2³⁶ = 8596624990249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32829035 + ... + 33091935.

It is an arithmetic number, because the mean of its divisors is an integer number (650425726197).

Almost surely, 2^{8665344466985} is an apocalyptic number.

It is an amenable number.

8665344466985 is a deficient number, since it is larger than the sum of its proper divisors (1741467152167).

8665344466985 is a wasteful number, since it uses less digits than its factorization.

8665344466985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268204.

The product of its digits is 3583180800, while the sum is 74.

The spelling of 8665344466985 in words is "eight trillion, six hundred sixty-five billion, three hundred forty-four million, four hundred sixty-six thousand, nine hundred eighty-five".