875001408381847 has 2 divisors, whose sum is σ = 875001408381848. Its totient is φ = 875001408381846.

The previous prime is 875001408381829. The next prime is 875001408381901. The reversal of 875001408381847 is 748183804100578.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-875001408381847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (875001808381847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437500704190923 + 437500704190924.

It is an arithmetic number, because the mean of its divisors is an integer number (437500704190924).

Almost surely, 2^{875001408381847} is an apocalyptic number.

875001408381847 is a deficient number, since it is larger than the sum of its proper divisors (1).

875001408381847 is an equidigital number, since it uses as much as digits as its factorization.

875001408381847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48168960, while the sum is 64.

The spelling of 875001408381847 in words is "eight hundred seventy-five trillion, one billion, four hundred eight million, three hundred eighty-one thousand, eight hundred forty-seven".