82108653 has 8 divisors (see below), whose sum is σ = 119430816. Its totient is φ = 49762800.

The previous prime is 82108651. The next prime is 82108667. The reversal of 82108653 is 35680128.

It is a happy number.

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

It is not a de Polignac number, because 82108653 - 2¹ = 82108651 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2488141 = 82108653 / (8 + 2 + 1 + 0 + 8 + 6 + 5 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82108651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244038 + ... + 1244103.

It is an arithmetic number, because the mean of its divisors is an integer number (14928852).

Almost surely, 2^82108653 is an apocalyptic number.

It is an amenable number.

82108653 is a deficient number, since it is larger than the sum of its proper divisors (37322163).

82108653 is a wasteful number, since it uses less digits than its factorization.

82108653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488155.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82108653 is about 9061.3825104120. The cubic root of 82108653 is about 434.6399504507.

The spelling of 82108653 in words is "eighty-two million, one hundred eight thousand, six hundred fifty-three".