82565023215 has 8 divisors (see below), whose sum is σ = 132104037168. Its totient is φ = 44034679040.

The previous prime is 82565023171. The next prime is 82565023249. The reversal of 82565023215 is 51232056528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82565023215 - 2²⁹ = 82028152303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752167426 + ... + 2752167455.

It is an arithmetic number, because the mean of its divisors is an integer number (16513004646).

Almost surely, 2^82565023215 is an apocalyptic number.

82565023215 is a deficient number, since it is larger than the sum of its proper divisors (49539013953).

82565023215 is a wasteful number, since it uses less digits than its factorization.

82565023215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504334889.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 82565023215 in words is "eighty-two billion, five hundred sixty-five million, twenty-three thousand, two hundred fifteen".