82109352 has 32 divisors (see below), whose sum is σ = 221064480. Its totient is φ = 25264320.

The previous prime is 82109323. The next prime is 82109369. The reversal of 82109352 is 25390128.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131274 + ... + 131897.

It is an arithmetic number, because the mean of its divisors is an integer number (6908265).

Almost surely, 2^82109352 is an apocalyptic number.

It is an amenable number.

82109352 is an abundant number, since it is smaller than the sum of its proper divisors (138955128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82109352 is a wasteful number, since it uses less digits than its factorization.

82109352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263193 (or 263189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 82109352 is about 9061.4210806032. The cubic root of 82109352 is about 434.6411838265.

The spelling of 82109352 in words is "eighty-two million, one hundred nine thousand, three hundred fifty-two".