775245376271 has 2 divisors, whose sum is σ = 775245376272. Its totient is φ = 775245376270.

The previous prime is 775245376259. The next prime is 775245376273. The reversal of 775245376271 is 172673542577.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 775245376271 - 2⁶ = 775245376207 is a prime.

Together with 775245376273, 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 (775245376273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387622688135 + 387622688136.

It is an arithmetic number, because the mean of its divisors is an integer number (387622688136).

Almost surely, 2^775245376271 is an apocalyptic number.

775245376271 is a deficient number, since it is larger than the sum of its proper divisors (1).

775245376271 is an equidigital number, since it uses as much as digits as its factorization.

775245376271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17287200, while the sum is 56.

The spelling of 775245376271 in words is "seven hundred seventy-five billion, two hundred forty-five million, three hundred seventy-six thousand, two hundred seventy-one".