82542573173 has 8 divisors (see below), whose sum is σ = 84184897536. Its totient is φ = 80903394000.

The previous prime is 82542573151. The next prime is 82542573187. The reversal of 82542573173 is 37137524528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82542573173 - 2¹² = 82542569077 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 (82542573973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733253 + ... + 838298.

It is an arithmetic number, because the mean of its divisors is an integer number (10523112192).

Almost surely, 2^82542573173 is an apocalyptic number.

It is an amenable number.

82542573173 is a deficient number, since it is larger than the sum of its proper divisors (1642324363).

82542573173 is a wasteful number, since it uses less digits than its factorization.

82542573173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572595.

The product of its digits is 1411200, while the sum is 47.

The spelling of 82542573173 in words is "eighty-two billion, five hundred forty-two million, five hundred seventy-three thousand, one hundred seventy-three".