82386653 has 4 divisors (see below), whose sum is σ = 82592508. Its totient is φ = 82180800.

The previous prime is 82386637. The next prime is 82386673. The reversal of 82386653 is 35668328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37724164 + 44662489 = 6142^2 + 6683^2 .

It is a cyclic number.

It is not a de Polignac number, because 82386653 - 2⁴ = 82386637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82386653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82386613) 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, 102326 + ... + 103127.

It is an arithmetic number, because the mean of its divisors is an integer number (20648127).

Almost surely, 2^82386653 is an apocalyptic number.

It is an amenable number.

82386653 is a deficient number, since it is larger than the sum of its proper divisors (205855).

82386653 is a wasteful number, since it uses less digits than its factorization.

82386653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205854.

The product of its digits is 207360, while the sum is 41.

The square root of 82386653 is about 9076.7093706916. The cubic root of 82386653 is about 435.1299263985.

The spelling of 82386653 in words is "eighty-two million, three hundred eighty-six thousand, six hundred fifty-three".