85285058207 has 4 divisors (see below), whose sum is σ = 88993104240. Its totient is φ = 81577012176.

The previous prime is 85285058203. The next prime is 85285058231. The reversal of 85285058207 is 70285058258.

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 85285058207 - 2² = 85285058203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85285058203) 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 3 ways as a sum of consecutive naturals, for example, 1854022982 + ... + 1854023027.

It is an arithmetic number, because the mean of its divisors is an integer number (22248276060).

Almost surely, 2^85285058207 is an apocalyptic number.

85285058207 is a deficient number, since it is larger than the sum of its proper divisors (3708046033).

85285058207 is a wasteful number, since it uses less digits than its factorization.

85285058207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708046032.

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 85285058207 in words is "eighty-five billion, two hundred eighty-five million, fifty-eight thousand, two hundred seven".