8634274386427 has 2 divisors, whose sum is σ = 8634274386428. Its totient is φ = 8634274386426.

The previous prime is 8634274386403. The next prime is 8634274386481. The reversal of 8634274386427 is 7246834724368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8634274386427 - 2²⁷ = 8634140168699 is a prime.

It is not a weakly prime, because it can be changed into another prime (8634274386497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4317137193213 + 4317137193214.

It is an arithmetic number, because the mean of its divisors is an integer number (4317137193214).

Almost surely, 2^{8634274386427} is an apocalyptic number.

8634274386427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8634274386427 is an equidigital number, since it uses as much as digits as its factorization.

8634274386427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 260112384, while the sum is 64.

The spelling of 8634274386427 in words is "eight trillion, six hundred thirty-four billion, two hundred seventy-four million, three hundred eighty-six thousand, four hundred twenty-seven".