76506065271289 has 2 divisors, whose sum is σ = 76506065271290. Its totient is φ = 76506065271288.

The previous prime is 76506065271281. The next prime is 76506065271323. The reversal of 76506065271289 is 98217256060567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73430040371689 + 3076024899600 = 8569133^2 + 1753860^2 .

It is a cyclic number.

It is not a de Polignac number, because 76506065271289 - 2³ = 76506065271281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76506065271289.

It is not a weakly prime, because it can be changed into another prime (76506065271281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38253032635644 + 38253032635645.

It is an arithmetic number, because the mean of its divisors is an integer number (38253032635645).

Almost surely, 2^{76506065271289} is an apocalyptic number.

It is an amenable number.

76506065271289 is a deficient number, since it is larger than the sum of its proper divisors (1).

76506065271289 is an equidigital number, since it uses as much as digits as its factorization.

76506065271289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 76506065271289 in words is "seventy-six trillion, five hundred six billion, sixty-five million, two hundred seventy-one thousand, two hundred eighty-nine".