8173885132297 has 4 divisors (see below), whose sum is σ = 8174063518740. Its totient is φ = 8173706745856.

The previous prime is 8173885132213. The next prime is 8173885132333. The reversal of 8173885132297 is 7922315883718.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5283327505401 + 2890557626896 = 2298549^2 + 1700164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8173885132297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8173885132397) 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 in 3 ways as a sum of consecutive naturals, for example, 89124472 + ... + 89216137.

It is an arithmetic number, because the mean of its divisors is an integer number (2043515879685).

Almost surely, 2^{8173885132297} is an apocalyptic number.

It is an amenable number.

8173885132297 is a deficient number, since it is larger than the sum of its proper divisors (178386443).

8173885132297 is a wasteful number, since it uses less digits than its factorization.

8173885132297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178386442.

The product of its digits is 40642560, while the sum is 64.

The spelling of 8173885132297 in words is "eight trillion, one hundred seventy-three billion, eight hundred eighty-five million, one hundred thirty-two thousand, two hundred ninety-seven".