80244950717 has 2 divisors, whose sum is σ = 80244950718. Its totient is φ = 80244950716.

The previous prime is 80244950699. The next prime is 80244950741. The reversal of 80244950717 is 71705944208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51744420676 + 28500530041 = 227474^2 + 168821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80244950717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80244950767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40122475358 + 40122475359.

It is an arithmetic number, because the mean of its divisors is an integer number (40122475359).

Almost surely, 2^80244950717 is an apocalyptic number.

It is an amenable number.

80244950717 is a deficient number, since it is larger than the sum of its proper divisors (1).

80244950717 is an equidigital number, since it uses as much as digits as its factorization.

80244950717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 80244950717 in words is "eighty billion, two hundred forty-four million, nine hundred fifty thousand, seven hundred seventeen".