82439823620163 has 32 divisors (see below), whose sum is σ = 113798955995136. Its totient is φ = 53052414801408.

The previous prime is 82439823620159. The next prime is 82439823620179. The reversal of 82439823620163 is 36102632893428.

It is not a de Polignac number, because 82439823620163 - 2² = 82439823620159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82439823620563) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 660264406 + ... + 660389252.

It is an arithmetic number, because the mean of its divisors is an integer number (3556217374848).

Almost surely, 2^{82439823620163} is an apocalyptic number.

82439823620163 is a deficient number, since it is larger than the sum of its proper divisors (31359132374973).

82439823620163 is a wasteful number, since it uses less digits than its factorization.

82439823620163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189123.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 82439823620163 in words is "eighty-two trillion, four hundred thirty-nine billion, eight hundred twenty-three million, six hundred twenty thousand, one hundred sixty-three".