82565633585 has 8 divisors (see below), whose sum is σ = 102274849536. Its totient is φ = 63921780720.

The previous prime is 82565633567. The next prime is 82565633639. The reversal of 82565633585 is 58533656528.

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

It is not a de Polignac number, because 82565633585 - 2¹⁰ = 82565632561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82565633585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266340599 + ... + 266340908.

It is an arithmetic number, because the mean of its divisors is an integer number (12784356192).

Almost surely, 2^82565633585 is an apocalyptic number.

It is an amenable number.

82565633585 is a deficient number, since it is larger than the sum of its proper divisors (19709215951).

82565633585 is a wasteful number, since it uses less digits than its factorization.

82565633585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532681543.

The product of its digits is 25920000, while the sum is 56.

The spelling of 82565633585 in words is "eighty-two billion, five hundred sixty-five million, six hundred thirty-three thousand, five hundred eighty-five".