38678424410677 has 2 divisors, whose sum is σ = 38678424410678. Its totient is φ = 38678424410676.

The previous prime is 38678424410567. The next prime is 38678424410779. The reversal of 38678424410677 is 77601442487683.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37694025086116 + 984399324561 = 6139546^2 + 992169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38678424410677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678424410177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339212205338 + 19339212205339.

It is an arithmetic number, because the mean of its divisors is an integer number (19339212205339).

Almost surely, 2^{38678424410677} is an apocalyptic number.

It is an amenable number.

38678424410677 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678424410677 is an equidigital number, since it uses as much as digits as its factorization.

38678424410677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303464448, while the sum is 67.

The spelling of 38678424410677 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-four million, four hundred ten thousand, six hundred seventy-seven".