79586492897 has 2 divisors, whose sum is σ = 79586492898. Its totient is φ = 79586492896.

The previous prime is 79586492879. The next prime is 79586492903. The reversal of 79586492897 is 79829468597.

Together with previous prime (79586492879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78144847936 + 1441644961 = 279544^2 + 37969^2 .

It is a cyclic number.

It is not a de Polignac number, because 79586492897 - 2⁶ = 79586492833 is a prime.

It is not a weakly prime, because it can be changed into another prime (79586482897) 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, 39793246448 + 39793246449.

It is an arithmetic number, because the mean of its divisors is an integer number (39793246449).

Almost surely, 2^79586492897 is an apocalyptic number.

It is an amenable number.

79586492897 is a deficient number, since it is larger than the sum of its proper divisors (1).

79586492897 is an equidigital number, since it uses as much as digits as its factorization.

79586492897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548674560, while the sum is 74.

The spelling of 79586492897 in words is "seventy-nine billion, five hundred eighty-six million, four hundred ninety-two thousand, eight hundred ninety-seven".