238065164775 has 24 divisors (see below), whose sum is σ = 437334526160. Its totient is φ = 126968087520.

The previous prime is 238065164773. The next prime is 238065164807. The reversal of 238065164775 is 577461560832.

238065164775 is a `hidden beast` number, since 2 + 3 + 80 + 6 + 516 + 47 + 7 + 5 = 666.

It is not a de Polignac number, because 238065164775 - 2¹ = 238065164773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238065164773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176343892 + ... + 176345241.

Almost surely, 2^238065164775 is an apocalyptic number.

238065164775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238065164775 is a deficient number, since it is larger than the sum of its proper divisors (199269361385).

238065164775 is a wasteful number, since it uses less digits than its factorization.

238065164775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352689152 (or 352689141 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 238065164775 in words is "two hundred thirty-eight billion, sixty-five million, one hundred sixty-four thousand, seven hundred seventy-five".