82713567643 has 8 divisors (see below), whose sum is σ = 100090367712. Its totient is φ = 66726911616.

The previous prime is 82713567637. The next prime is 82713567659. The reversal of 82713567643 is 34676531728.

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

It is not a de Polignac number, because 82713567643 - 2⁵ = 82713567611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82713567143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 347535880 + ... + 347536117.

It is an arithmetic number, because the mean of its divisors is an integer number (12511295964).

Almost surely, 2^82713567643 is an apocalyptic number.

82713567643 is a deficient number, since it is larger than the sum of its proper divisors (17376800069).

82713567643 is a wasteful number, since it uses less digits than its factorization.

82713567643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695072021.

The product of its digits is 5080320, while the sum is 52.

The spelling of 82713567643 in words is "eighty-two billion, seven hundred thirteen million, five hundred sixty-seven thousand, six hundred forty-three".