255665761367 has 2 divisors, whose sum is σ = 255665761368. Its totient is φ = 255665761366.

The previous prime is 255665761301. The next prime is 255665761369. The reversal of 255665761367 is 763167566552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255665761367 - 2¹² = 255665757271 is a prime.

Together with 255665761369, 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 (255665761369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127832880683 + 127832880684.

It is an arithmetic number, because the mean of its divisors is an integer number (127832880684).

Almost surely, 2^255665761367 is an apocalyptic number.

255665761367 is a deficient number, since it is larger than the sum of its proper divisors (1).

255665761367 is an equidigital number, since it uses as much as digits as its factorization.

255665761367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 59.

The spelling of 255665761367 in words is "two hundred fifty-five billion, six hundred sixty-five million, seven hundred sixty-one thousand, three hundred sixty-seven".