238097881211 has 4 divisors (see below), whose sum is σ = 238099089000. Its totient is φ = 238096673424.

The previous prime is 238097881207. The next prime is 238097881213. The reversal of 238097881211 is 112188790832.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 238097881211 - 2² = 238097881207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238097881211.

It is not an unprimeable number, because it can be changed into a prime (238097881213) 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, 231746 + ... + 727943.

It is an arithmetic number, because the mean of its divisors is an integer number (59524772250).

Almost surely, 2^238097881211 is an apocalyptic number.

238097881211 is a deficient number, since it is larger than the sum of its proper divisors (1207789).

238097881211 is an equidigital number, since it uses as much as digits as its factorization.

238097881211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207788.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 238097881211 in words is "two hundred thirty-eight billion, ninety-seven million, eight hundred eighty-one thousand, two hundred eleven".