38538267805 has 8 divisors (see below), whose sum is σ = 46765539000. Its totient is φ = 30484202496.

The previous prime is 38538267769. The next prime is 38538267829. The reversal of 38538267805 is 50876283583.

It can be written as a sum of positive squares in 4 ways, for example, as 398521369 + 38139746436 = 19963^2 + 195294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38538267805 - 2⁹ = 38538267293 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 43300980 + ... + 43301869.

It is an arithmetic number, because the mean of its divisors is an integer number (5845692375).

Almost surely, 2^38538267805 is an apocalyptic number.

It is an amenable number.

38538267805 is a deficient number, since it is larger than the sum of its proper divisors (8227271195).

38538267805 is an equidigital number, since it uses as much as digits as its factorization.

38538267805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86602943.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 38538267805 in words is "thirty-eight billion, five hundred thirty-eight million, two hundred sixty-seven thousand, eight hundred five".