838758375467 has 2 divisors, whose sum is σ = 838758375468. Its totient is φ = 838758375466.

The previous prime is 838758375449. The next prime is 838758375503. The reversal of 838758375467 is 764573857838.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-838758375467 is a prime.

It is a super-2 number, since 2×838758375467² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 838758375467.

It is not a weakly prime, because it can be changed into another prime (838758375667) 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, 419379187733 + 419379187734.

It is an arithmetic number, because the mean of its divisors is an integer number (419379187734).

Almost surely, 2^838758375467 is an apocalyptic number.

838758375467 is a deficient number, since it is larger than the sum of its proper divisors (1).

838758375467 is an equidigital number, since it uses as much as digits as its factorization.

838758375467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 948326400, while the sum is 71.

The spelling of 838758375467 in words is "eight hundred thirty-eight billion, seven hundred fifty-eight million, three hundred seventy-five thousand, four hundred sixty-seven".