38678630656079 has 2 divisors, whose sum is σ = 38678630656080. Its totient is φ = 38678630656078.

The previous prime is 38678630656073. The next prime is 38678630656091. The reversal of 38678630656079 is 97065603687683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38678630656079 - 2⁸ = 38678630655823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38678630655997 and 38678630656015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678630656073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339315328039 + 19339315328040.

It is an arithmetic number, because the mean of its divisors is an integer number (19339315328040).

Almost surely, 2^{38678630656079} is an apocalyptic number.

38678630656079 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678630656079 is an equidigital number, since it uses as much as digits as its factorization.

38678630656079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646023680, while the sum is 74.

The spelling of 38678630656079 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred thirty million, six hundred fifty-six thousand, seventy-nine".