82538481173 has 4 divisors (see below), whose sum is σ = 82539247008. Its totient is φ = 82537715340.

The previous prime is 82538481139. The next prime is 82538481187. The reversal of 82538481173 is 37118483528.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 82538481173 - 2⁸ = 82538480917 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 (82538481373) 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, 188273 + ... + 447798.

It is an arithmetic number, because the mean of its divisors is an integer number (20634811752).

Almost surely, 2^82538481173 is an apocalyptic number.

It is an amenable number.

82538481173 is a deficient number, since it is larger than the sum of its proper divisors (765835).

82538481173 is a wasteful number, since it uses less digits than its factorization.

82538481173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765834.

The product of its digits is 1290240, while the sum is 50.

The spelling of 82538481173 in words is "eighty-two billion, five hundred thirty-eight million, four hundred eighty-one thousand, one hundred seventy-three".