82216734223 has 4 divisors (see below), whose sum is σ = 88541098408. Its totient is φ = 75892370040.

The previous prime is 82216734217. The next prime is 82216734251. The reversal of 82216734223 is 32243761228.

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

It is a cyclic number.

It is not a de Polignac number, because 82216734223 - 2¹⁷ = 82216603151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82216734253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3162182073 + ... + 3162182098.

It is an arithmetic number, because the mean of its divisors is an integer number (22135274602).

Almost surely, 2^82216734223 is an apocalyptic number.

82216734223 is a deficient number, since it is larger than the sum of its proper divisors (6324364185).

82216734223 is a wasteful number, since it uses less digits than its factorization.

82216734223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324364184.

The product of its digits is 193536, while the sum is 40.

The spelling of 82216734223 in words is "eighty-two billion, two hundred sixteen million, seven hundred thirty-four thousand, two hundred twenty-three".