82176343138 has 8 divisors (see below), whose sum is σ = 123295979520. Its totient is φ = 41077683300.

The previous prime is 82176343111. The next prime is 82176343147. The reversal of 82176343138 is 83134367128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 5234338 + ... + 5250013.

It is an arithmetic number, because the mean of its divisors is an integer number (15411997440).

Almost surely, 2^82176343138 is an apocalyptic number.

82176343138 is a deficient number, since it is larger than the sum of its proper divisors (41119636382).

82176343138 is a wasteful number, since it uses less digits than its factorization.

82176343138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488272.

The product of its digits is 580608, while the sum is 46.

The spelling of 82176343138 in words is "eighty-two billion, one hundred seventy-six million, three hundred forty-three thousand, one hundred thirty-eight".