38336857847 has 2 divisors, whose sum is σ = 38336857848. Its totient is φ = 38336857846.

The previous prime is 38336857831. The next prime is 38336857969. The reversal of 38336857847 is 74875863383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38336857847 - 2⁴ = 38336857831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38336857847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38336857747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19168428923 + 19168428924.

It is an arithmetic number, because the mean of its divisors is an integer number (19168428924).

Almost surely, 2^38336857847 is an apocalyptic number.

38336857847 is a deficient number, since it is larger than the sum of its proper divisors (1).

38336857847 is an equidigital number, since it uses as much as digits as its factorization.

38336857847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 62.

The spelling of 38336857847 in words is "thirty-eight billion, three hundred thirty-six million, eight hundred fifty-seven thousand, eight hundred forty-seven".