82348140185 has 4 divisors (see below), whose sum is σ = 98817768228. Its totient is φ = 65878512144.

The previous prime is 82348140181. The next prime is 82348140187. The reversal of 82348140185 is 58104184328.

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 36829064281 + 45519075904 = 191909^2 + 213352^2 .

It is a cyclic number.

It is not a de Polignac number, because 82348140185 - 2² = 82348140181 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82348140181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8234814014 + ... + 8234814023.

It is an arithmetic number, because the mean of its divisors is an integer number (24704442057).

Almost surely, 2^82348140185 is an apocalyptic number.

It is an amenable number.

82348140185 is a deficient number, since it is larger than the sum of its proper divisors (16469628043).

82348140185 is a wasteful number, since it uses less digits than its factorization.

82348140185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16469628042.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 82348140185 in words is "eighty-two billion, three hundred forty-eight million, one hundred forty thousand, one hundred eighty-five".