238387757807 has 2 divisors, whose sum is σ = 238387757808. Its totient is φ = 238387757806.

The previous prime is 238387757771. The next prime is 238387757851. The reversal of 238387757807 is 708757783832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238387757807 - 2¹² = 238387753711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238387727807) 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, 119193878903 + 119193878904.

It is an arithmetic number, because the mean of its divisors is an integer number (119193878904).

Almost surely, 2^238387757807 is an apocalyptic number.

238387757807 is a deficient number, since it is larger than the sum of its proper divisors (1).

238387757807 is an equidigital number, since it uses as much as digits as its factorization.

238387757807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110638080, while the sum is 65.

The spelling of 238387757807 in words is "two hundred thirty-eight billion, three hundred eighty-seven million, seven hundred fifty-seven thousand, eight hundred seven".