238204507979 has 4 divisors (see below), whose sum is σ = 246418456560. Its totient is φ = 229990559400.

The previous prime is 238204507967. The next prime is 238204507993. The reversal of 238204507979 is 979705402832.

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

It is a cyclic number.

It is not a de Polignac number, because 238204507979 - 2¹² = 238204503883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238204507579) 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, 4106974247 + ... + 4106974304.

It is an arithmetic number, because the mean of its divisors is an integer number (61604614140).

Almost surely, 2^238204507979 is an apocalyptic number.

238204507979 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

238204507979 is a deficient number, since it is larger than the sum of its proper divisors (8213948581).

238204507979 is an equidigital number, since it uses as much as digits as its factorization.

238204507979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213948580.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 238204507979 in words is "two hundred thirty-eight billion, two hundred four million, five hundred seven thousand, nine hundred seventy-nine".