85817057112 has 24 divisors (see below), whose sum is σ = 232421196540. Its totient is φ = 28605685680.

The previous prime is 85817057099. The next prime is 85817057129. The reversal of 85817057112 is 21175071858.

85817057112 is a `hidden beast` number, since 8 + 5 + 8 + 1 + 70 + 571 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595951714 + ... + 595951857.

Almost surely, 2^85817057112 is an apocalyptic number.

It is an amenable number.

85817057112 is an abundant number, since it is smaller than the sum of its proper divisors (146604139428).

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

85817057112 is a wasteful number, since it uses less digits than its factorization.

85817057112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191903583 (or 1191903576 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 45.

The spelling of 85817057112 in words is "eighty-five billion, eight hundred seventeen million, fifty-seven thousand, one hundred twelve".