8780530066349 has 2 divisors, whose sum is σ = 8780530066350. Its totient is φ = 8780530066348.

The previous prime is 8780530066337. The next prime is 8780530066381. The reversal of 8780530066349 is 9436600350878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8039067855625 + 741462210724 = 2835325^2 + 861082^2 .

It is a cyclic number.

It is not a de Polignac number, because 8780530066349 - 2¹² = 8780530062253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8780530066309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4390265033174 + 4390265033175.

It is an arithmetic number, because the mean of its divisors is an integer number (4390265033175).

Almost surely, 2^{8780530066349} is an apocalyptic number.

It is an amenable number.

8780530066349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8780530066349 is an equidigital number, since it uses as much as digits as its factorization.

8780530066349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 8780530066349 in words is "eight trillion, seven hundred eighty billion, five hundred thirty million, sixty-six thousand, three hundred forty-nine".