38387505067727 has 2 divisors, whose sum is σ = 38387505067728. Its totient is φ = 38387505067726.

The previous prime is 38387505067627. The next prime is 38387505067757. The reversal of 38387505067727 is 72776050578383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38387505067727 - 2²⁴ = 38387488290511 is a prime.

It is a super-2 number, since 2×38387505067727² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38387505067757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193752533863 + 19193752533864.

It is an arithmetic number, because the mean of its divisors is an integer number (19193752533864).

Almost surely, 2^{38387505067727} is an apocalyptic number.

38387505067727 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387505067727 is an equidigital number, since it uses as much as digits as its factorization.

38387505067727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414892800, while the sum is 68.

The spelling of 38387505067727 in words is "thirty-eight trillion, three hundred eighty-seven billion, five hundred five million, sixty-seven thousand, seven hundred twenty-seven".