85882128112391 has 16 divisors (see below), whose sum is σ = 93016362700800. Its totient is φ = 78824316936288.

The previous prime is 85882128112381. The next prime is 85882128112393. The reversal of 85882128112391 is 19321182128858.

It is a cyclic number.

It is not a de Polignac number, because 85882128112391 - 2³⁰ = 85881054370567 is a prime.

It is a super-2 number, since 2×85882128112391² (a number of 29 digits) contains 22 as substring.

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 85882128112391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85882128112393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18924791 + ... + 23019816.

It is an arithmetic number, because the mean of its divisors is an integer number (5813522668800).

Almost surely, 2^{85882128112391} is an apocalyptic number.

85882128112391 is a deficient number, since it is larger than the sum of its proper divisors (7134234588409).

85882128112391 is a wasteful number, since it uses less digits than its factorization.

85882128112391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41945518.

The product of its digits is 4423680, while the sum is 59.

The spelling of 85882128112391 in words is "eighty-five trillion, eight hundred eighty-two billion, one hundred twenty-eight million, one hundred twelve thousand, three hundred ninety-one".