38781738531326 has 32 divisors (see below), whose sum is σ = 67483908248832. Its totient is φ = 16370576671680.

The previous prime is 38781738531323. The next prime is 38781738531331. The reversal of 38781738531326 is 62313583718783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38781738531323) 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 in 15 ways as a sum of consecutive naturals, for example, 4687781 + ... + 9976911.

It is an arithmetic number, because the mean of its divisors is an integer number (2108872132776).

Almost surely, 2^{38781738531326} is an apocalyptic number.

38781738531326 is a deficient number, since it is larger than the sum of its proper divisors (28702169717506).

38781738531326 is a wasteful number, since it uses less digits than its factorization.

38781738531326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5297024.

The product of its digits is 121927680, while the sum is 65.

The spelling of 38781738531326 in words is "thirty-eight trillion, seven hundred eighty-one billion, seven hundred thirty-eight million, five hundred thirty-one thousand, three hundred twenty-six".