8130066720547 has 2 divisors, whose sum is σ = 8130066720548. Its totient is φ = 8130066720546.

The previous prime is 8130066720463. The next prime is 8130066720557. The reversal of 8130066720547 is 7450276600318.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8130066720547 - 2¹⁵ = 8130066687779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8130066720547.

It is not a weakly prime, because it can be changed into another prime (8130066720557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065033360273 + 4065033360274.

It is an arithmetic number, because the mean of its divisors is an integer number (4065033360274).

Almost surely, 2^{8130066720547} is an apocalyptic number.

8130066720547 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130066720547 is an equidigital number, since it uses as much as digits as its factorization.

8130066720547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 8130066720547 in words is "eight trillion, one hundred thirty billion, sixty-six million, seven hundred twenty thousand, five hundred forty-seven".