82713116622173 has 2 divisors, whose sum is σ = 82713116622174. Its totient is φ = 82713116622172.

The previous prime is 82713116622151. The next prime is 82713116622181. The reversal of 82713116622173 is 37122661131728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74878250981284 + 7834865640889 = 8653222^2 + 2799083^2 .

It is a cyclic number.

It is not a de Polignac number, because 82713116622173 - 2⁶ = 82713116622109 is a prime.

It is a super-2 number, since 2×82713116622173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82713116612173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41356558311086 + 41356558311087.

It is an arithmetic number, because the mean of its divisors is an integer number (41356558311087).

Almost surely, 2^{82713116622173} is an apocalyptic number.

It is an amenable number.

82713116622173 is a deficient number, since it is larger than the sum of its proper divisors (1).

82713116622173 is an equidigital number, since it uses as much as digits as its factorization.

82713116622173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 82713116622173 in words is "eighty-two trillion, seven hundred thirteen billion, one hundred sixteen million, six hundred twenty-two thousand, one hundred seventy-three".