82543034527 has 4 divisors (see below), whose sum is σ = 82776867840. Its totient is φ = 82309201216.

The previous prime is 82543034477. The next prime is 82543034531. The reversal of 82543034527 is 72543034528.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82543034527 is a prime.

It is a super-2 number, since 2×82543034527² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82543034537) 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, 116916127 + ... + 116916832.

It is an arithmetic number, because the mean of its divisors is an integer number (20694216960).

Almost surely, 2^82543034527 is an apocalyptic number.

82543034527 is a deficient number, since it is larger than the sum of its proper divisors (233833313).

82543034527 is a wasteful number, since it uses less digits than its factorization.

82543034527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233833312.

The product of its (nonzero) digits is 806400, while the sum is 43.

Subtracting from 82543034527 its reverse (72543034528), we obtain a palindrome (9999999999).

The spelling of 82543034527 in words is "eighty-two billion, five hundred forty-three million, thirty-four thousand, five hundred twenty-seven".