82228434839 has 4 divisors (see below), whose sum is σ = 82362576456. Its totient is φ = 82094293224.

The previous prime is 82228434833. The next prime is 82228434851. The reversal of 82228434839 is 93843482228.

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 82228434839 - 2⁴ = 82228434823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82228434833) 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, 67069889 + ... + 67071114.

It is an arithmetic number, because the mean of its divisors is an integer number (20590644114).

Almost surely, 2^82228434839 is an apocalyptic number.

82228434839 is a deficient number, since it is larger than the sum of its proper divisors (134141617).

82228434839 is a wasteful number, since it uses less digits than its factorization.

82228434839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134141616.

The product of its digits is 5308416, while the sum is 53.

The spelling of 82228434839 in words is "eighty-two billion, two hundred twenty-eight million, four hundred thirty-four thousand, eight hundred thirty-nine".