258655085119777 has 2 divisors, whose sum is σ = 258655085119778. Its totient is φ = 258655085119776.

The previous prime is 258655085119759. The next prime is 258655085119889. The reversal of 258655085119777 is 777911580556852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251473119273216 + 7181965846561 = 15857904^2 + 2679919^2 .

It is a cyclic number.

It is not a de Polignac number, because 258655085119777 - 2⁷ = 258655085119649 is a prime.

It is not a weakly prime, because it can be changed into another prime (258655085419777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129327542559888 + 129327542559889.

It is an arithmetic number, because the mean of its divisors is an integer number (129327542559889).

Almost surely, 2^{258655085119777} is an apocalyptic number.

It is an amenable number.

258655085119777 is a deficient number, since it is larger than the sum of its proper divisors (1).

258655085119777 is an equidigital number, since it uses as much as digits as its factorization.

258655085119777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760000, while the sum is 76.

The spelling of 258655085119777 in words is "two hundred fifty-eight trillion, six hundred fifty-five billion, eighty-five million, one hundred nineteen thousand, seven hundred seventy-seven".