8540733808885 has 8 divisors (see below), whose sum is σ = 10851755898456. Its totient is φ = 6430670161920.

The previous prime is 8540733808883. The next prime is 8540733808921. The reversal of 8540733808885 is 5888083370458.

It can be written as a sum of positive squares in 4 ways, for example, as 436816568241 + 8103917240644 = 660921^2 + 2846738^2 .

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

It is not a de Polignac number, because 8540733808885 - 2¹ = 8540733808883 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 8540733808885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540733808883) 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, 50239610556 + ... + 50239610725.

It is an arithmetic number, because the mean of its divisors is an integer number (1356469487307).

Almost surely, 2^{8540733808885} is an apocalyptic number.

8540733808885 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8540733808885 is a deficient number, since it is larger than the sum of its proper divisors (2311022089571).

8540733808885 is a wasteful number, since it uses less digits than its factorization.

8540733808885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100479221303.

The product of its (nonzero) digits is 206438400, while the sum is 67.

The spelling of 8540733808885 in words is "eight trillion, five hundred forty billion, seven hundred thirty-three million, eight hundred eight thousand, eight hundred eighty-five".