238288339687 has 2 divisors, whose sum is σ = 238288339688. Its totient is φ = 238288339686.

The previous prime is 238288339607. The next prime is 238288339711. The reversal of 238288339687 is 786933882832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238288339687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238288339607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119144169843 + 119144169844.

It is an arithmetic number, because the mean of its divisors is an integer number (119144169844).

Almost surely, 2^238288339687 is an apocalyptic number.

238288339687 is a deficient number, since it is larger than the sum of its proper divisors (1).

238288339687 is an equidigital number, since it uses as much as digits as its factorization.

238288339687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 167215104, while the sum is 67.

The spelling of 238288339687 in words is "two hundred thirty-eight billion, two hundred eighty-eight million, three hundred thirty-nine thousand, six hundred eighty-seven".