80277760048517 has 2 divisors, whose sum is σ = 80277760048518. Its totient is φ = 80277760048516.

The previous prime is 80277760048489. The next prime is 80277760048597. The reversal of 80277760048517 is 71584006777208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65695985353636 + 14581774694881 = 8105306^2 + 3818609^2 .

It is a cyclic number.

It is not a de Polignac number, because 80277760048517 - 2¹⁴ = 80277760032133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80277760048517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80277760048597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40138880024258 + 40138880024259.

It is an arithmetic number, because the mean of its divisors is an integer number (40138880024259).

Almost surely, 2^{80277760048517} is an apocalyptic number.

It is an amenable number.

80277760048517 is a deficient number, since it is larger than the sum of its proper divisors (1).

80277760048517 is an equidigital number, since it uses as much as digits as its factorization.

80277760048517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36879360, while the sum is 62.

The spelling of 80277760048517 in words is "eighty trillion, two hundred seventy-seven billion, seven hundred sixty million, forty-eight thousand, five hundred seventeen".