75852525785085 has 128 divisors (see below), whose sum is σ = 162683854848000. Its totient is φ = 32757353773056.

The previous prime is 75852525785081. The next prime is 75852525785167. The reversal of 75852525785085 is 58058752525857.

75852525785085 is a `hidden beast` number, since 7 + 5 + 8 + 5 + 25 + 25 + 78 + 508 + 5 = 666.

It is not a de Polignac number, because 75852525785085 - 2² = 75852525785081 is a prime.

It is a super-3 number, since 3×75852525785085³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75852525785081) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 354276 + ... + 12321954.

It is an arithmetic number, because the mean of its divisors is an integer number (1270967616000).

Almost surely, 2^{75852525785085} is an apocalyptic number.

It is an amenable number.

75852525785085 is an abundant number, since it is smaller than the sum of its proper divisors (86831329062915).

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

75852525785085 is a wasteful number, since it uses less digits than its factorization.

75852525785085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11968072 (or 11968066 counting only the distinct ones).

The product of its (nonzero) digits is 1568000000, while the sum is 72.

The spelling of 75852525785085 in words is "seventy-five trillion, eight hundred fifty-two billion, five hundred twenty-five million, seven hundred eighty-five thousand, eighty-five".