238333597881 has 16 divisors (see below), whose sum is σ = 320454672384. Its totient is φ = 157552156944.

The previous prime is 238333597877. The next prime is 238333597891. The reversal of 238333597881 is 188795333832.

It is not a de Polignac number, because 238333597881 - 2² = 238333597877 is a prime.

It is a super-2 number, since 2×238333597881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238333597841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534366 + ... + 873048.

It is an arithmetic number, because the mean of its divisors is an integer number (20028417024).

Almost surely, 2^238333597881 is an apocalyptic number.

It is an amenable number.

238333597881 is a deficient number, since it is larger than the sum of its proper divisors (82121074503).

238333597881 is a wasteful number, since it uses less digits than its factorization.

238333597881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340660.

The product of its digits is 26127360, while the sum is 60.

The spelling of 238333597881 in words is "two hundred thirty-eight billion, three hundred thirty-three million, five hundred ninety-seven thousand, eight hundred eighty-one".