238828787 has 2 divisors, whose sum is σ = 238828788. Its totient is φ = 238828786.

The previous prime is 238828769. The next prime is 238828817. The reversal of 238828787 is 787828832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238828787 - 2⁸ = 238828531 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (238821787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119414393 + 119414394.

It is an arithmetic number, because the mean of its divisors is an integer number (119414394).

Almost surely, 2^238828787 is an apocalyptic number.

238828787 is a deficient number, since it is larger than the sum of its proper divisors (1).

238828787 is an equidigital number, since it uses as much as digits as its factorization.

238828787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2408448, while the sum is 53.

The square root of 238828787 is about 15454.0864175143. The cubic root of 238828787 is about 620.4339547773.

The spelling of 238828787 in words is "two hundred thirty-eight million, eight hundred twenty-eight thousand, seven hundred eighty-seven".