80617502597 has 2 divisors, whose sum is σ = 80617502598. Its totient is φ = 80617502596.

The previous prime is 80617502579. The next prime is 80617502617. The reversal of 80617502597 is 79520571608.

Together with previous prime (80617502579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75910719361 + 4706783236 = 275519^2 + 68606^2 .

It is a cyclic number.

It is not a de Polignac number, because 80617502597 - 2³² = 76322535301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80617402597) 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, 40308751298 + 40308751299.

It is an arithmetic number, because the mean of its divisors is an integer number (40308751299).

Almost surely, 2^80617502597 is an apocalyptic number.

It is an amenable number.

80617502597 is a deficient number, since it is larger than the sum of its proper divisors (1).

80617502597 is an equidigital number, since it uses as much as digits as its factorization.

80617502597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 80617502597 in words is "eighty billion, six hundred seventeen million, five hundred two thousand, five hundred ninety-seven".