27775576351 has 2 divisors, whose sum is σ = 27775576352. Its totient is φ = 27775576350.

The previous prime is 27775576349. The next prime is 27775576369. The reversal of 27775576351 is 15367557772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27775576351 - 2¹ = 27775576349 is a prime.

Together with 27775576349, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27775576292 and 27775576301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27775576651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13887788175 + 13887788176.

It is an arithmetic number, because the mean of its divisors is an integer number (13887788176).

Almost surely, 2^27775576351 is an apocalyptic number.

27775576351 is a deficient number, since it is larger than the sum of its proper divisors (1).

27775576351 is an equidigital number, since it uses as much as digits as its factorization.

27775576351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10804500, while the sum is 55.

The spelling of 27775576351 in words is "twenty-seven billion, seven hundred seventy-five million, five hundred seventy-six thousand, three hundred fifty-one".