85732081895 has 16 divisors (see below), whose sum is σ = 103272379392. Its totient is φ = 68323357440.

The previous prime is 85732081889. The next prime is 85732081909. The reversal of 85732081895 is 59818023758.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-85732081895 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85732081895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586125 + ... + 2619065.

It is an arithmetic number, because the mean of its divisors is an integer number (6454523712).

Almost surely, 2^85732081895 is an apocalyptic number.

85732081895 is a deficient number, since it is larger than the sum of its proper divisors (17540297497).

85732081895 is a wasteful number, since it uses less digits than its factorization.

85732081895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34922.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 85732081895 in words is "eighty-five billion, seven hundred thirty-two million, eighty-one thousand, eight hundred ninety-five".