238021607775755 has 4 divisors (see below), whose sum is σ = 285625929330912. Its totient is φ = 190417286220600.

The previous prime is 238021607775739. The next prime is 238021607775767. The reversal of 238021607775755 is 557577706120832.

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

It is not a de Polignac number, because 238021607775755 - 2⁴ = 238021607775739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238021607775691 and 238021607775700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23802160777571 + ... + 23802160777580.

It is an arithmetic number, because the mean of its divisors is an integer number (71406482332728).

Almost surely, 2^{238021607775755} is an apocalyptic number.

238021607775755 is a deficient number, since it is larger than the sum of its proper divisors (47604321555157).

238021607775755 is an equidigital number, since it uses as much as digits as its factorization.

238021607775755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47604321555156.

The product of its (nonzero) digits is 172872000, while the sum is 65.

The spelling of 238021607775755 in words is "two hundred thirty-eight trillion, twenty-one billion, six hundred seven million, seven hundred seventy-five thousand, seven hundred fifty-five".