85086845369 has 4 divisors (see below), whose sum is σ = 85087445796. Its totient is φ = 85086244944.

The previous prime is 85086845303. The next prime is 85086845377. The reversal of 85086845369 is 96354868058.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51070576144 + 34016269225 = 225988^2 + 184435^2 .

It is a cyclic number.

It is not a de Polignac number, because 85086845369 - 2²⁰ = 85085796793 is a prime.

It is a super-2 number, since 2×85086845369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85089845369) 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, 43607 + ... + 414819.

It is an arithmetic number, because the mean of its divisors is an integer number (21271861449).

Almost surely, 2^85086845369 is an apocalyptic number.

It is an amenable number.

85086845369 is a deficient number, since it is larger than the sum of its proper divisors (600427).

85086845369 is a wasteful number, since it uses less digits than its factorization.

85086845369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600426.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 85086845369 in words is "eighty-five billion, eighty-six million, eight hundred forty-five thousand, three hundred sixty-nine".