85836671444185 has 16 divisors (see below), whose sum is σ = 109126881968400. Its totient is φ = 64592146855936.

The previous prime is 85836671444131. The next prime is 85836671444203. The reversal of 85836671444185 is 58144417663858.

It can be written as a sum of positive squares in 8 ways, for example, as 18352861632576 + 67483809811609 = 4284024^2 + 8214853^2 .

It is a cyclic number.

It is not a de Polignac number, because 85836671444185 - 2¹⁹ = 85836670919897 is a prime.

It is a super-2 number, since 2×85836671444185² (a number of 29 digits) contains 22 as substring.

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, 295303300 + ... + 295593829.

It is an arithmetic number, because the mean of its divisors is an integer number (6820430123025).

Almost surely, 2^{85836671444185} is an apocalyptic number.

85836671444185 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85836671444185 is a deficient number, since it is larger than the sum of its proper divisors (23290210524215).

85836671444185 is a wasteful number, since it uses less digits than its factorization.

85836671444185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590898860.

The product of its digits is 619315200, while the sum is 70.

The spelling of 85836671444185 in words is "eighty-five trillion, eight hundred thirty-six billion, six hundred seventy-one million, four hundred forty-four thousand, one hundred eighty-five".