82982581863 has 4 divisors (see below), whose sum is σ = 110643442488. Its totient is φ = 55321721240.

The previous prime is 82982581861. The next prime is 82982581867. The reversal of 82982581863 is 36818528928.

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 82982581863 - 2¹ = 82982581861 is a prime.

It is a super-2 number, since 2×82982581863² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82982581797 and 82982581806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82982581861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13830430308 + ... + 13830430313.

It is an arithmetic number, because the mean of its divisors is an integer number (27660860622).

Almost surely, 2^82982581863 is an apocalyptic number.

82982581863 is a deficient number, since it is larger than the sum of its proper divisors (27660860625).

82982581863 is a wasteful number, since it uses less digits than its factorization.

82982581863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27660860624.

The product of its digits is 13271040, while the sum is 60.

The spelling of 82982581863 in words is "eighty-two billion, nine hundred eighty-two million, five hundred eighty-one thousand, eight hundred sixty-three".