8274989647 has 2 divisors, whose sum is σ = 8274989648. Its totient is φ = 8274989646.

The previous prime is 8274989627. The next prime is 8274989677. The reversal of 8274989647 is 7469894728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8274989647 - 2¹⁹ = 8274465359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8274989627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137494823 + 4137494824.

It is an arithmetic number, because the mean of its divisors is an integer number (4137494824).

Almost surely, 2^8274989647 is an apocalyptic number.

8274989647 is a deficient number, since it is larger than the sum of its proper divisors (1).

8274989647 is an equidigital number, since it uses as much as digits as its factorization.

8274989647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072, while the sum is 64.

The square root of 8274989647 is about 90966.9700880490. The cubic root of 8274989647 is about 2022.6581389130.

The spelling of 8274989647 in words is "eight billion, two hundred seventy-four million, nine hundred eighty-nine thousand, six hundred forty-seven".