82438243468 has 72 divisors (see below), whose sum is σ = 171484614000. Its totient is φ = 34563215232.

The previous prime is 82438243457. The next prime is 82438243493. The reversal of 82438243468 is 86434283428.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3614043 + ... + 3636781.

It is an arithmetic number, because the mean of its divisors is an integer number (2381730750).

Almost surely, 2^82438243468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82438243468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85742307000).

82438243468 is an abundant number, since it is smaller than the sum of its proper divisors (89046370532).

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

82438243468 is a wasteful number, since it uses less digits than its factorization.

82438243468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23159 (or 23150 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 52.

The spelling of 82438243468 in words is "eighty-two billion, four hundred thirty-eight million, two hundred forty-three thousand, four hundred sixty-eight".