82665315 has 12 divisors (see below), whose sum is σ = 143286624. Its totient is φ = 44088144.

The previous prime is 82665293. The next prime is 82665347. The reversal of 82665315 is 51356628.

It is not a de Polignac number, because 82665315 - 2¹⁰ = 82664291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82665315.

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, 918459 + ... + 918548.

It is an arithmetic number, because the mean of its divisors is an integer number (11940552).

Almost surely, 2^82665315 is an apocalyptic number.

82665315 is a deficient number, since it is larger than the sum of its proper divisors (60621309).

82665315 is a wasteful number, since it uses less digits than its factorization.

82665315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837018 (or 1837015 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 82665315 is about 9092.0467992636. The cubic root of 82665315 is about 435.6199642007.

The spelling of 82665315 in words is "eighty-two million, six hundred sixty-five thousand, three hundred fifteen".