82804889517 has 16 divisors (see below), whose sum is σ = 126188308992. Its totient is φ = 47313543600.

The previous prime is 82804889509. The next prime is 82804889527. The reversal of 82804889517 is 71598840828.

It is not a de Polignac number, because 82804889517 - 2³ = 82804889509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82804889527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154758 + ... + 435384.

It is an arithmetic number, because the mean of its divisors is an integer number (7886769312).

Almost surely, 2^82804889517 is an apocalyptic number.

It is an amenable number.

82804889517 is a deficient number, since it is larger than the sum of its proper divisors (43383419475).

82804889517 is a wasteful number, since it uses less digits than its factorization.

82804889517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294688.

The product of its (nonzero) digits is 10321920, while the sum is 60.

The spelling of 82804889517 in words is "eighty-two billion, eight hundred four million, eight hundred eighty-nine thousand, five hundred seventeen".