173613085077 has 4 divisors (see below), whose sum is σ = 231484113440. Its totient is φ = 115742056716.

The previous prime is 173613085003. The next prime is 173613085169. The reversal of 173613085077 is 770580316371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 173613085077 - 2¹⁰ = 173613084053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173613086077) 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 in 3 ways as a sum of consecutive naturals, for example, 28935514177 + ... + 28935514182.

It is an arithmetic number, because the mean of its divisors is an integer number (57871028360).

Almost surely, 2^173613085077 is an apocalyptic number.

It is an amenable number.

173613085077 is a deficient number, since it is larger than the sum of its proper divisors (57871028363).

173613085077 is an equidigital number, since it uses as much as digits as its factorization.

173613085077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57871028362.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 173613085077 in words is "one hundred seventy-three billion, six hundred thirteen million, eighty-five thousand, seventy-seven".