82213285518 has 48 divisors (see below), whose sum is σ = 219235432416. Its totient is φ = 21682624320.

The previous prime is 82213285501. The next prime is 82213285547. The reversal of 82213285518 is 81558231228.

82213285518 is a `hidden beast` number, since 8 + 2 + 21 + 32 + 85 + 518 = 666.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 25093993 + ... + 25097268.

It is an arithmetic number, because the mean of its divisors is an integer number (4567404842).

Almost surely, 2^82213285518 is an apocalyptic number.

82213285518 is an abundant number, since it is smaller than the sum of its proper divisors (137022146898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82213285518 is a wasteful number, since it uses less digits than its factorization.

82213285518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50191289 (or 50191286 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The spelling of 82213285518 in words is "eighty-two billion, two hundred thirteen million, two hundred eighty-five thousand, five hundred eighteen".