258585708487 has 2 divisors, whose sum is σ = 258585708488. Its totient is φ = 258585708486.

The previous prime is 258585708457. The next prime is 258585708497. The reversal of 258585708487 is 784807585852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258585708487 - 2¹¹ = 258585706439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258585708457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129292854243 + 129292854244.

It is an arithmetic number, because the mean of its divisors is an integer number (129292854244).

Almost surely, 2^258585708487 is an apocalyptic number.

258585708487 is a deficient number, since it is larger than the sum of its proper divisors (1).

258585708487 is an equidigital number, since it uses as much as digits as its factorization.

258585708487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704000, while the sum is 67.

The spelling of 258585708487 in words is "two hundred fifty-eight billion, five hundred eighty-five million, seven hundred eight thousand, four hundred eighty-seven".