85927529891 has 24 divisors (see below), whose sum is σ = 101701169280. Its totient is φ = 72369158400.

The previous prime is 85927529873. The next prime is 85927529927. The reversal of 85927529891 is 19892572958.

It is not a de Polignac number, because 85927529891 - 2¹⁸ = 85927267747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85927529591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2947595 + ... + 2976603.

It is an arithmetic number, because the mean of its divisors is an integer number (4237548720).

Almost surely, 2^85927529891 is an apocalyptic number.

85927529891 is a deficient number, since it is larger than the sum of its proper divisors (15773639389).

85927529891 is a wasteful number, since it uses less digits than its factorization.

85927529891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30075 (or 30068 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 65.

The spelling of 85927529891 in words is "eighty-five billion, nine hundred twenty-seven million, five hundred twenty-nine thousand, eight hundred ninety-one".