85605572038895 has 4 divisors (see below), whose sum is σ = 102726686446680. Its totient is φ = 68484457631112.

The previous prime is 85605572038891. The next prime is 85605572038913. The reversal of 85605572038895 is 59883027550658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85605572038895 - 2² = 85605572038891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85605572038891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8560557203885 + ... + 8560557203894.

It is an arithmetic number, because the mean of its divisors is an integer number (25681671611670).

Almost surely, 2^{85605572038895} is an apocalyptic number.

85605572038895 is a deficient number, since it is larger than the sum of its proper divisors (17121114407785).

85605572038895 is a wasteful number, since it uses less digits than its factorization.

85605572038895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121114407784.

The product of its (nonzero) digits is 725760000, while the sum is 71.

The spelling of 85605572038895 in words is "eighty-five trillion, six hundred five billion, five hundred seventy-two million, thirty-eight thousand, eight hundred ninety-five".