85715275845 has 16 divisors (see below), whose sum is σ = 137713511232. Its totient is φ = 45525123840.

The previous prime is 85715275769. The next prime is 85715275883. The reversal of 85715275845 is 54857251758.

It is not a de Polignac number, because 85715275845 - 2⁷ = 85715275717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11851887 + ... + 11859116.

It is an arithmetic number, because the mean of its divisors is an integer number (8607094452).

Almost surely, 2^85715275845 is an apocalyptic number.

It is an amenable number.

85715275845 is a deficient number, since it is larger than the sum of its proper divisors (51998235387).

85715275845 is a wasteful number, since it uses less digits than its factorization.

85715275845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711252.

The product of its digits is 15680000, while the sum is 57.

The spelling of 85715275845 in words is "eighty-five billion, seven hundred fifteen million, two hundred seventy-five thousand, eight hundred forty-five".