36808872085 has 4 divisors (see below), whose sum is σ = 44170646508. Its totient is φ = 29447097664.

The previous prime is 36808872053. The next prime is 36808872109. The reversal of 36808872085 is 58027880863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58027880863 = 6299 ⋅9212237.

It can be written as a sum of positive squares in 2 ways, for example, as 9810110116 + 26998761969 = 99046^2 + 164313^2 .

It is a cyclic number.

It is not a de Polignac number, because 36808872085 - 2⁵ = 36808872053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680887204 + ... + 3680887213.

It is an arithmetic number, because the mean of its divisors is an integer number (11042661627).

Almost surely, 2^36808872085 is an apocalyptic number.

It is an amenable number.

36808872085 is a deficient number, since it is larger than the sum of its proper divisors (7361774423).

36808872085 is an equidigital number, since it uses as much as digits as its factorization.

36808872085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361774422.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 36808872085 in words is "thirty-six billion, eight hundred eight million, eight hundred seventy-two thousand, eighty-five".