17883857412761 has 2 divisors, whose sum is σ = 17883857412762. Its totient is φ = 17883857412760.

The previous prime is 17883857412731. The next prime is 17883857412763. The reversal of 17883857412761 is 16721475838871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17883857402761 + 10000 = 4228931^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 17883857412761 - 2²² = 17883853218457 is a prime.

Together with 17883857412763, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 17883857412691 and 17883857412700.

It is not a weakly prime, because it can be changed into another prime (17883857412763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8941928706380 + 8941928706381.

It is an arithmetic number, because the mean of its divisors is an integer number (8941928706381).

Almost surely, 2^{17883857412761} is an apocalyptic number.

It is an amenable number.

17883857412761 is a deficient number, since it is larger than the sum of its proper divisors (1).

17883857412761 is an equidigital number, since it uses as much as digits as its factorization.

17883857412761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126443520, while the sum is 68.

The spelling of 17883857412761 in words is "seventeen trillion, eight hundred eighty-three billion, eight hundred fifty-seven million, four hundred twelve thousand, seven hundred sixty-one".