82585564 has 12 divisors (see below), whose sum is σ = 144653488. Its totient is φ = 41256000.

The previous prime is 82585561. The next prime is 82585577. The reversal of 82585564 is 46558528.

It is a self number, because there is not a number n which added to its sum of digits gives 82585564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82585561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792 + ... + 13399.

Almost surely, 2^82585564 is an apocalyptic number.

It is an amenable number.

82585564 is a deficient number, since it is larger than the sum of its proper divisors (62067924).

82585564 is a wasteful number, since it uses less digits than its factorization.

82585564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18396 (or 18394 counting only the distinct ones).

The product of its digits is 384000, while the sum is 43.

The square root of 82585564 is about 9087.6599848366. The cubic root of 82585564 is about 435.4798316438.

The spelling of 82585564 in words is "eighty-two million, five hundred eighty-five thousand, five hundred sixty-four".