275742952869887 has 2 divisors, whose sum is σ = 275742952869888. Its totient is φ = 275742952869886.

The previous prime is 275742952869851. The next prime is 275742952869889. The reversal of 275742952869887 is 788968259247572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275742952869887 - 2¹² = 275742952865791 is a prime.

Together with 275742952869889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275742952869889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137871476434943 + 137871476434944.

It is an arithmetic number, because the mean of its divisors is an integer number (137871476434944).

Almost surely, 2^{275742952869887} is an apocalyptic number.

275742952869887 is a deficient number, since it is larger than the sum of its proper divisors (1).

275742952869887 is an equidigital number, since it uses as much as digits as its factorization.

275742952869887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68279500800, while the sum is 89.

The spelling of 275742952869887 in words is "two hundred seventy-five trillion, seven hundred forty-two billion, nine hundred fifty-two million, eight hundred sixty-nine thousand, eight hundred eighty-seven".