85532575717728 has 72 divisors (see below), whose sum is σ = 243234972981000. Its totient is φ = 28510658041344.

The previous prime is 85532575717703. The next prime is 85532575717877. The reversal of 85532575717728 is 82771757523558.

85532575717728 is a `hidden beast` number, since 8 + 5 + 5 + 3 + 25 + 7 + 571 + 7 + 7 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43225603 + ... + 45161021.

It is an arithmetic number, because the mean of its divisors is an integer number (3378263513625).

Almost surely, 2^{85532575717728} is an apocalyptic number.

It is an amenable number.

85532575717728 is an abundant number, since it is smaller than the sum of its proper divisors (157702397263272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85532575717728 is a wasteful number, since it uses less digits than its factorization.

85532575717728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088884 (or 2088873 counting only the distinct ones).

The product of its digits is 1152480000, while the sum is 72.

The spelling of 85532575717728 in words is "eighty-five trillion, five hundred thirty-two billion, five hundred seventy-five million, seven hundred seventeen thousand, seven hundred twenty-eight".