80173101557 has 2 divisors, whose sum is σ = 80173101558. Its totient is φ = 80173101556.

The previous prime is 80173101551. The next prime is 80173101563. The reversal of 80173101557 is 75510137108.

It is a balanced prime because it is at equal distance from previous prime (80173101551) and next prime (80173101563).

It can be written as a sum of positive squares in only one way, i.e., 61636006756 + 18537094801 = 248266^2 + 136151^2 .

It is a cyclic number.

It is not a de Polignac number, because 80173101557 - 2¹⁰ = 80173100533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80173101557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80173101551) 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, 40086550778 + 40086550779.

It is an arithmetic number, because the mean of its divisors is an integer number (40086550779).

Almost surely, 2^80173101557 is an apocalyptic number.

It is an amenable number.

80173101557 is a deficient number, since it is larger than the sum of its proper divisors (1).

80173101557 is an equidigital number, since it uses as much as digits as its factorization.

80173101557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 80173101557 in words is "eighty billion, one hundred seventy-three million, one hundred one thousand, five hundred fifty-seven".