38627971607 has 2 divisors, whose sum is σ = 38627971608. Its totient is φ = 38627971606.

The previous prime is 38627971561. The next prime is 38627971619. The reversal of 38627971607 is 70617972683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38627971607 - 2⁸ = 38627971351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38627971637) 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, 19313985803 + 19313985804.

It is an arithmetic number, because the mean of its divisors is an integer number (19313985804).

Almost surely, 2^38627971607 is an apocalyptic number.

38627971607 is a deficient number, since it is larger than the sum of its proper divisors (1).

38627971607 is an equidigital number, since it uses as much as digits as its factorization.

38627971607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 38627971607 in words is "thirty-eight billion, six hundred twenty-seven million, nine hundred seventy-one thousand, six hundred seven".