82500555500527 has 4 divisors (see below), whose sum is σ = 83662535155536. Its totient is φ = 81338575845520.

The previous prime is 82500555500501. The next prime is 82500555500603. The reversal of 82500555500527 is 72500555500528.

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-82500555500527 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 (82500555600527) 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, 580989827398 + ... + 580989827539.

It is an arithmetic number, because the mean of its divisors is an integer number (20915633788884).

Almost surely, 2^{82500555500527} is an apocalyptic number.

82500555500527 is a deficient number, since it is larger than the sum of its proper divisors (1161979655009).

82500555500527 is a wasteful number, since it uses less digits than its factorization.

82500555500527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161979655008.

The product of its (nonzero) digits is 3500000, while the sum is 49.

Subtracting from 82500555500527 its reverse (72500555500528), we obtain a palindrome (9999999999999).

The spelling of 82500555500527 in words is "eighty-two trillion, five hundred billion, five hundred fifty-five million, five hundred thousand, five hundred twenty-seven".