257036043287 has 2 divisors, whose sum is σ = 257036043288. Its totient is φ = 257036043286.

The previous prime is 257036043227. The next prime is 257036043337. The reversal of 257036043287 is 782340630752.

257036043287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257036043287 - 2⁸ = 257036043031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257036043227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128518021643 + 128518021644.

It is an arithmetic number, because the mean of its divisors is an integer number (128518021644).

Almost surely, 2^257036043287 is an apocalyptic number.

257036043287 is a deficient number, since it is larger than the sum of its proper divisors (1).

257036043287 is an equidigital number, since it uses as much as digits as its factorization.

257036043287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 257036043287 in words is "two hundred fifty-seven billion, thirty-six million, forty-three thousand, two hundred eighty-seven".