238568899 has 2 divisors, whose sum is σ = 238568900. Its totient is φ = 238568898.

The previous prime is 238568893. The next prime is 238568929. The reversal of 238568899 is 998865832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238568899 - 2⁵ = 238568867 is a prime.

It is not a weakly prime, because it can be changed into another prime (238568893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119284449 + 119284450.

It is an arithmetic number, because the mean of its divisors is an integer number (119284450).

Almost surely, 2^238568899 is an apocalyptic number.

238568899 is a deficient number, since it is larger than the sum of its proper divisors (1).

238568899 is an equidigital number, since it uses as much as digits as its factorization.

238568899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 58.

The square root of 238568899 is about 15445.6757378886. The cubic root of 238568899 is about 620.2088257715.

The spelling of 238568899 in words is "two hundred thirty-eight million, five hundred sixty-eight thousand, eight hundred ninety-nine".