27750250278071 has 2 divisors, whose sum is σ = 27750250278072. Its totient is φ = 27750250278070.

The previous prime is 27750250278031. The next prime is 27750250278073. The reversal of 27750250278071 is 17087205205772.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27750250278071 - 2³⁴ = 27733070408887 is a prime.

It is a super-2 number, since 2×27750250278071² (a number of 28 digits) contains 22 as substring.

Together with 27750250278073, 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 (27750250278073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875125139035 + 13875125139036.

It is an arithmetic number, because the mean of its divisors is an integer number (13875125139036).

Almost surely, 2^{27750250278071} is an apocalyptic number.

27750250278071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750250278071 is an equidigital number, since it uses as much as digits as its factorization.

27750250278071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3841600, while the sum is 53.

The spelling of 27750250278071 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred fifty million, two hundred seventy-eight thousand, seventy-one".