238745845117 has 16 divisors (see below), whose sum is σ = 260695476160. Its totient is φ = 217309744512.

The previous prime is 238745845099. The next prime is 238745845147. The reversal of 238745845117 is 711548547832.

It is a cyclic number.

It is not a de Polignac number, because 238745845117 - 2⁷ = 238745844989 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 (238745845147) 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, 4249234 + ... + 4305052.

It is an arithmetic number, because the mean of its divisors is an integer number (16293467260).

Almost surely, 2^238745845117 is an apocalyptic number.

It is an amenable number.

238745845117 is a deficient number, since it is larger than the sum of its proper divisors (21949631043).

238745845117 is a wasteful number, since it uses less digits than its factorization.

238745845117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60412.

The product of its digits is 7526400, while the sum is 55.

The spelling of 238745845117 in words is "two hundred thirty-eight billion, seven hundred forty-five million, eight hundred forty-five thousand, one hundred seventeen".