238436668127 has 16 divisors (see below), whose sum is σ = 277698240000. Its totient is φ = 200476497312.

The previous prime is 238436668091. The next prime is 238436668219. The reversal of 238436668127 is 721866634832.

It is not a de Polignac number, because 238436668127 - 2¹⁰ = 238436667103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238436668727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790348 + ... + 1918910.

It is an arithmetic number, because the mean of its divisors is an integer number (17356140000).

Almost surely, 2^238436668127 is an apocalyptic number.

238436668127 is a deficient number, since it is larger than the sum of its proper divisors (39261571873).

238436668127 is a wasteful number, since it uses less digits than its factorization.

238436668127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133622.

The product of its digits is 13934592, while the sum is 56.

The spelling of 238436668127 in words is "two hundred thirty-eight billion, four hundred thirty-six million, six hundred sixty-eight thousand, one hundred twenty-seven".