80660990713 has 2 divisors, whose sum is σ = 80660990714. Its totient is φ = 80660990712.

The previous prime is 80660990551. The next prime is 80660990741. The reversal of 80660990713 is 31709906608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74927017984 + 5733972729 = 273728^2 + 75723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80660990713 is a prime.

It is not a weakly prime, because it can be changed into another prime (80660990213) 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, 40330495356 + 40330495357.

It is an arithmetic number, because the mean of its divisors is an integer number (40330495357).

Almost surely, 2^80660990713 is an apocalyptic number.

It is an amenable number.

80660990713 is a deficient number, since it is larger than the sum of its proper divisors (1).

80660990713 is an equidigital number, since it uses as much as digits as its factorization.

80660990713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 80660990713 in words is "eighty billion, six hundred sixty million, nine hundred ninety thousand, seven hundred thirteen".