8126372647 has 2 divisors, whose sum is σ = 8126372648. Its totient is φ = 8126372646.

The previous prime is 8126372633. The next prime is 8126372669. The reversal of 8126372647 is 7462736218.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8126372647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8126372597 and 8126372606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8126370647) 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, 4063186323 + 4063186324.

It is an arithmetic number, because the mean of its divisors is an integer number (4063186324).

Almost surely, 2^8126372647 is an apocalyptic number.

8126372647 is a deficient number, since it is larger than the sum of its proper divisors (1).

8126372647 is an equidigital number, since it uses as much as digits as its factorization.

8126372647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 8126372647 is about 90146.3956406467. The cubic root of 8126372647 is about 2010.4760839383.

The spelling of 8126372647 in words is "eight billion, one hundred twenty-six million, three hundred seventy-two thousand, six hundred forty-seven".