238120084042287 has 4 divisors (see below), whose sum is σ = 317493445389720. Its totient is φ = 158746722694856.

The previous prime is 238120084042283. The next prime is 238120084042319. The reversal of 238120084042287 is 782240480021832.

238120084042287 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238120084042287 - 2² = 238120084042283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238120084042283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39686680673712 + ... + 39686680673717.

It is an arithmetic number, because the mean of its divisors is an integer number (79373361347430).

Almost surely, 2^{238120084042287} is an apocalyptic number.

238120084042287 is a deficient number, since it is larger than the sum of its proper divisors (79373361347433).

238120084042287 is an equidigital number, since it uses as much as digits as its factorization.

238120084042287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79373361347432.

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 238120084042287 in words is "two hundred thirty-eight trillion, one hundred twenty billion, eighty-four million, forty-two thousand, two hundred eighty-seven".