82489518025 has 12 divisors (see below), whose sum is σ = 103242958992. Its totient is φ = 65374868240.

The previous prime is 82489518017. The next prime is 82489518037. The reversal of 82489518025 is 52081598428.

It is not a de Polignac number, because 82489518025 - 2³ = 82489518017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15415927 + ... + 15421276.

It is an arithmetic number, because the mean of its divisors is an integer number (8603579916).

Almost surely, 2^82489518025 is an apocalyptic number.

It is an amenable number.

82489518025 is a deficient number, since it is larger than the sum of its proper divisors (20753440967).

82489518025 is a wasteful number, since it uses less digits than its factorization.

82489518025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30837320 (or 30837315 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 82489518025 in words is "eighty-two billion, four hundred eighty-nine million, five hundred eighteen thousand, twenty-five".