82109852 has 24 divisors (see below), whose sum is σ = 157015152. Its totient is φ = 37260800.

The previous prime is 82109851. The next prime is 82109857. The reversal of 82109852 is 25890128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82109851) 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, 34988 + ... + 37260.

It is an arithmetic number, because the mean of its divisors is an integer number (6542298).

Almost surely, 2^82109852 is an apocalyptic number.

It is an amenable number.

82109852 is a deficient number, since it is larger than the sum of its proper divisors (74905300).

82109852 is a wasteful number, since it uses less digits than its factorization.

82109852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 82109852 is about 9061.4486700527. The cubic root of 82109852 is about 434.6420660652.

The spelling of 82109852 in words is "eighty-two million, one hundred nine thousand, eight hundred fifty-two".