238781187832 has 32 divisors (see below), whose sum is σ = 488435080320. Its totient is φ = 108532678240.

The previous prime is 238781187793. The next prime is 238781187839.

238781187832 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238781187839) 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 in 7 ways as a sum of consecutive naturals, for example, 3848883 + ... + 3910429.

It is an arithmetic number, because the mean of its divisors is an integer number (15263596260).

Almost surely, 2^238781187832 is an apocalyptic number.

238781187832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238781187832 is an abundant number, since it is smaller than the sum of its proper divisors (249653892488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238781187832 is a wasteful number, since it uses less digits than its factorization.

238781187832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105651 (or 105647 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 58.

The spelling of 238781187832 in words is "two hundred thirty-eight billion, seven hundred eighty-one million, one hundred eighty-seven thousand, eight hundred thirty-two".