85285058269 has 8 divisors (see below), whose sum is σ = 85960363320. Its totient is φ = 84612397056.

The previous prime is 85285058267. The next prime is 85285058311. The reversal of 85285058269 is 96285058258.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 523723225 + 84761335044 = 22885^2 + 291138^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85285058269 - 2¹ = 85285058267 is a prime.

It is a super-2 number, since 2×85285058269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85285058267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596164 + ... + 725245.

It is an arithmetic number, because the mean of its divisors is an integer number (10745045415).

Almost surely, 2^85285058269 is an apocalyptic number.

It is an amenable number.

85285058269 is a deficient number, since it is larger than the sum of its proper divisors (675305051).

85285058269 is a wasteful number, since it uses less digits than its factorization.

85285058269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321919.

The product of its (nonzero) digits is 13824000, while the sum is 58.

It can be divided in two parts, 852850 and 58269, that added together give a palindrome (911119).

The spelling of 85285058269 in words is "eighty-five billion, two hundred eighty-five million, fifty-eight thousand, two hundred sixty-nine".