82112838895 has 4 divisors (see below), whose sum is σ = 98535406680. Its totient is φ = 65690271112.

The previous prime is 82112838889. The next prime is 82112838917. The reversal of 82112838895 is 59883821128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82112838895 - 2¹⁷ = 82112707823 is a prime.

It is a super-2 number, since 2×82112838895² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8211283885 + ... + 8211283894.

It is an arithmetic number, because the mean of its divisors is an integer number (24633851670).

Almost surely, 2^82112838895 is an apocalyptic number.

82112838895 is a deficient number, since it is larger than the sum of its proper divisors (16422567785).

82112838895 is a wasteful number, since it uses less digits than its factorization.

82112838895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422567784.

The product of its digits is 2211840, while the sum is 55.

The spelling of 82112838895 in words is "eighty-two billion, one hundred twelve million, eight hundred thirty-eight thousand, eight hundred ninety-five".