38701856671 has 2 divisors, whose sum is σ = 38701856672. Its totient is φ = 38701856670.

The previous prime is 38701856663. The next prime is 38701856681. The reversal of 38701856671 is 17665810783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38701856671 - 2³ = 38701856663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38701856681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19350928335 + 19350928336.

It is an arithmetic number, because the mean of its divisors is an integer number (19350928336).

Almost surely, 2^38701856671 is an apocalyptic number.

38701856671 is a deficient number, since it is larger than the sum of its proper divisors (1).

38701856671 is an equidigital number, since it uses as much as digits as its factorization.

38701856671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 38701856671 in words is "thirty-eight billion, seven hundred one million, eight hundred fifty-six thousand, six hundred seventy-one".