255607669871 has 2 divisors, whose sum is σ = 255607669872. Its totient is φ = 255607669870.

The previous prime is 255607669859. The next prime is 255607669937. The reversal of 255607669871 is 178966706552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255607669871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255607669841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127803834935 + 127803834936.

It is an arithmetic number, because the mean of its divisors is an integer number (127803834936).

Almost surely, 2^255607669871 is an apocalyptic number.

255607669871 is a deficient number, since it is larger than the sum of its proper divisors (1).

255607669871 is an equidigital number, since it uses as much as digits as its factorization.

255607669871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 255607669871 in words is "two hundred fifty-five billion, six hundred seven million, six hundred sixty-nine thousand, eight hundred seventy-one".