82586605 has 8 divisors (see below), whose sum is σ = 99163512. Its totient is φ = 66029568.

The previous prime is 82586591. The next prime is 82586641. The reversal of 82586605 is 50668528.

It can be written as a sum of positive squares in 4 ways, for example, as 13995081 + 68591524 = 3741^2 + 8282^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82586605 - 2⁹ = 82586093 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6657 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (12395439).

Almost surely, 2^82586605 is an apocalyptic number.

It is an amenable number.

82586605 is a deficient number, since it is larger than the sum of its proper divisors (16576907).

82586605 is a wasteful number, since it uses less digits than its factorization.

82586605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 82586605 is about 9087.7172601264. The cubic root of 82586605 is about 435.4816613930.

The spelling of 82586605 in words is "eighty-two million, five hundred eighty-six thousand, six hundred five".