38678422706761 has 2 divisors, whose sum is σ = 38678422706762. Its totient is φ = 38678422706760.

The previous prime is 38678422706723. The next prime is 38678422706813. The reversal of 38678422706761 is 16760722487683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30903248146761 + 7775174560000 = 5559069^2 + 2788400^2 .

It is a cyclic number.

It is not a de Polignac number, because 38678422706761 - 2¹⁵ = 38678422673993 is a prime.

It is a super-2 number, since 2×38678422706761² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38678422706701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339211353380 + 19339211353381.

It is an arithmetic number, because the mean of its divisors is an integer number (19339211353381).

Almost surely, 2^{38678422706761} is an apocalyptic number.

It is an amenable number.

38678422706761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678422706761 is an equidigital number, since it uses as much as digits as its factorization.

38678422706761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 227598336, while the sum is 67.

The spelling of 38678422706761 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, seven hundred six thousand, seven hundred sixty-one".