38387523727345 has 8 divisors (see below), whose sum is σ = 49608492201576. Its totient is φ = 28347709829376.

The previous prime is 38387523727309. The next prime is 38387523727349. The reversal of 38387523727345 is 54372732578383.

It can be written as a sum of positive squares in 4 ways, for example, as 53990704881 + 38333533022464 = 232359^2 + 6191408^2 .

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 38387523727345 - 2¹¹ = 38387523725297 is a prime.

It is a super-3 number, since 3×38387523727345³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38387523727349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295288643992 + ... + 295288644121.

It is an arithmetic number, because the mean of its divisors is an integer number (6201061525197).

Almost surely, 2^{38387523727345} is an apocalyptic number.

It is an amenable number.

38387523727345 is a deficient number, since it is larger than the sum of its proper divisors (11220968474231).

38387523727345 is a wasteful number, since it uses less digits than its factorization.

38387523727345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590577288131.

The product of its digits is 711244800, while the sum is 67.

The spelling of 38387523727345 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred twenty-three million, seven hundred twenty-seven thousand, three hundred forty-five".