38678422638277 has 2 divisors, whose sum is σ = 38678422638278. Its totient is φ = 38678422638276.

The previous prime is 38678422638211. The next prime is 38678422638283. The reversal of 38678422638277 is 77283622487683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34452215899201 + 4226206739076 = 5869601^2 + 2055774^2 .

It is an emirp because it is prime and its reverse (77283622487683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38678422638277 - 2¹¹ = 38678422636229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678422632277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339211319138 + 19339211319139.

It is an arithmetic number, because the mean of its divisors is an integer number (19339211319139).

Almost surely, 2^{38678422638277} is an apocalyptic number.

It is an amenable number.

38678422638277 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678422638277 is an equidigital number, since it uses as much as digits as its factorization.

38678422638277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1820786688, while the sum is 73.

The spelling of 38678422638277 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, six hundred thirty-eight thousand, two hundred seventy-seven".