85851741243273 has 4 divisors (see below), whose sum is σ = 114468988324368. Its totient is φ = 57234494162180.

The previous prime is 85851741243269. The next prime is 85851741243349. The reversal of 85851741243273 is 37234214715858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85851741243273 - 2² = 85851741243269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85851741243773) 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, 14308623540543 + ... + 14308623540548.

It is an arithmetic number, because the mean of its divisors is an integer number (28617247081092).

Almost surely, 2^{85851741243273} is an apocalyptic number.

It is an amenable number.

85851741243273 is a deficient number, since it is larger than the sum of its proper divisors (28617247081095).

85851741243273 is a wasteful number, since it uses less digits than its factorization.

85851741243273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28617247081094.

The product of its digits is 45158400, while the sum is 60.

The spelling of 85851741243273 in words is "eighty-five trillion, eight hundred fifty-one billion, seven hundred forty-one million, two hundred forty-three thousand, two hundred seventy-three".