238527854136017 has 2 divisors, whose sum is σ = 238527854136018. Its totient is φ = 238527854136016.

The previous prime is 238527854135951. The next prime is 238527854136029. The reversal of 238527854136017 is 710631458725832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148183000225936 + 90344853910081 = 12173044^2 + 9504991^2 .

It is a cyclic number.

It is not a de Polignac number, because 238527854136017 - 2²⁴ = 238527837358801 is a prime.

It is not a weakly prime, because it can be changed into another prime (238527854136097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119263927068008 + 119263927068009.

It is an arithmetic number, because the mean of its divisors is an integer number (119263927068009).

Almost surely, 2^{238527854136017} is an apocalyptic number.

It is an amenable number.

238527854136017 is a deficient number, since it is larger than the sum of its proper divisors (1).

238527854136017 is an equidigital number, since it uses as much as digits as its factorization.

238527854136017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 238527854136017 in words is "two hundred thirty-eight trillion, five hundred twenty-seven billion, eight hundred fifty-four million, one hundred thirty-six thousand, seventeen".