85805085523204 has 12 divisors (see below), whose sum is σ = 154217248305484. Its totient is φ = 41743014578784.

The previous prime is 85805085523169. The next prime is 85805085523229. The reversal of 85805085523204 is 40232558050858.

It can be written as a sum of positive squares in 2 ways, for example, as 63480896900100 + 22324188623104 = 7967490^2 + 4724848^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289882045539 + ... + 289882045834.

Almost surely, 2^{85805085523204} is an apocalyptic number.

It is an amenable number.

85805085523204 is a deficient number, since it is larger than the sum of its proper divisors (68412162782280).

85805085523204 is a wasteful number, since it uses less digits than its factorization.

85805085523204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579764091414 (or 579764091412 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 55.

The spelling of 85805085523204 in words is "eighty-five trillion, eight hundred five billion, eighty-five million, five hundred twenty-three thousand, two hundred four".