79247600017 has 2 divisors, whose sum is σ = 79247600018. Its totient is φ = 79247600016.

The previous prime is 79247599997. The next prime is 79247600053. The reversal of 79247600017 is 71000674297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66308310016 + 12939290001 = 257504^2 + 113751^2 .

It is a cyclic number.

It is not a de Polignac number, because 79247600017 - 2²⁷ = 79113382289 is a prime.

It is not a weakly prime, because it can be changed into another prime (79247600087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39623800008 + 39623800009.

It is an arithmetic number, because the mean of its divisors is an integer number (39623800009).

Almost surely, 2^79247600017 is an apocalyptic number.

It is an amenable number.

79247600017 is a deficient number, since it is larger than the sum of its proper divisors (1).

79247600017 is an equidigital number, since it uses as much as digits as its factorization.

79247600017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 79247600017 in words is "seventy-nine billion, two hundred forty-seven million, six hundred thousand, seventeen".