82316606578573 has 2 divisors, whose sum is σ = 82316606578574. Its totient is φ = 82316606578572.

The previous prime is 82316606578543. The next prime is 82316606578667. The reversal of 82316606578573 is 37587560661328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77491787855364 + 4824818723209 = 8802942^2 + 2196547^2 .

It is a cyclic number.

It is not a de Polignac number, because 82316606578573 - 2⁵ = 82316606578541 is a prime.

It is a super-3 number, since 3×82316606578573³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 82316606578499 and 82316606578508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82316606578543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41158303289286 + 41158303289287.

It is an arithmetic number, because the mean of its divisors is an integer number (41158303289287).

Almost surely, 2^{82316606578573} is an apocalyptic number.

It is an amenable number.

82316606578573 is a deficient number, since it is larger than the sum of its proper divisors (1).

82316606578573 is an equidigital number, since it uses as much as digits as its factorization.

82316606578573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 304819200, while the sum is 67.

The spelling of 82316606578573 in words is "eighty-two trillion, three hundred sixteen billion, six hundred six million, five hundred seventy-eight thousand, five hundred seventy-three".