82362721843 has 4 divisors (see below), whose sum is σ = 86697601960. Its totient is φ = 78027841728.

The previous prime is 82362721829. The next prime is 82362721867. The reversal of 82362721843 is 34812726328.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82362721843 - 2⁵ = 82362721811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82362721793 and 82362721802.

It is not an unprimeable number, because it can be changed into a prime (82362721873) 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, 2167440030 + ... + 2167440067.

It is an arithmetic number, because the mean of its divisors is an integer number (21674400490).

Almost surely, 2^82362721843 is an apocalyptic number.

82362721843 is a deficient number, since it is larger than the sum of its proper divisors (4334880117).

82362721843 is a wasteful number, since it uses less digits than its factorization.

82362721843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334880116.

The product of its digits is 774144, while the sum is 46.

The spelling of 82362721843 in words is "eighty-two billion, three hundred sixty-two million, seven hundred twenty-one thousand, eight hundred forty-three".