8185342543837 has 8 divisors (see below), whose sum is σ = 8188550033976. Its totient is φ = 8182135299072.

The previous prime is 8185342543831. The next prime is 8185342543853. The reversal of 8185342543837 is 7383452435818.

It can be written as a sum of positive squares in 4 ways, for example, as 1010599941796 + 7174742602041 = 1005286^2 + 2678571^2 .

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 8185342543837 - 2³¹ = 8183195060189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8185342543831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94217583 + ... + 94304419.

It is an arithmetic number, because the mean of its divisors is an integer number (1023568754247).

Almost surely, 2^{8185342543837} is an apocalyptic number.

It is an amenable number.

8185342543837 is a deficient number, since it is larger than the sum of its proper divisors (3207490139).

8185342543837 is a wasteful number, since it uses less digits than its factorization.

8185342543837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122687.

The product of its digits is 77414400, while the sum is 61.

The spelling of 8185342543837 in words is "eight trillion, one hundred eighty-five billion, three hundred forty-two million, five hundred forty-three thousand, eight hundred thirty-seven".