206480255386387 has 2 divisors, whose sum is σ = 206480255386388. Its totient is φ = 206480255386386.

The previous prime is 206480255386381. The next prime is 206480255386411. The reversal of 206480255386387 is 783683552084602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206480255386387 is a prime.

It is a super-3 number, since 3×206480255386387³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (206480255386381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103240127693193 + 103240127693194.

It is an arithmetic number, because the mean of its divisors is an integer number (103240127693194).

Almost surely, 2^{206480255386387} is an apocalyptic number.

206480255386387 is a deficient number, since it is larger than the sum of its proper divisors (1).

206480255386387 is an equidigital number, since it uses as much as digits as its factorization.

206480255386387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 464486400, while the sum is 67.

The spelling of 206480255386387 in words is "two hundred six trillion, four hundred eighty billion, two hundred fifty-five million, three hundred eighty-six thousand, three hundred eighty-seven".