238819582797 has 4 divisors (see below), whose sum is σ = 318426110400. Its totient is φ = 159213055196.

The previous prime is 238819582787. The next prime is 238819582817. The reversal of 238819582797 is 797285918832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238819582797 - 2⁸ = 238819582541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238819582777) 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, 39803263797 + ... + 39803263802.

It is an arithmetic number, because the mean of its divisors is an integer number (79606527600).

Almost surely, 2^238819582797 is an apocalyptic number.

It is an amenable number.

238819582797 is a deficient number, since it is larger than the sum of its proper divisors (79606527603).

238819582797 is an equidigital number, since it uses as much as digits as its factorization.

238819582797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79606527602.

The product of its digits is 121927680, while the sum is 69.

The spelling of 238819582797 in words is "two hundred thirty-eight billion, eight hundred nineteen million, five hundred eighty-two thousand, seven hundred ninety-seven".