82547328 has 32 divisors (see below), whose sum is σ = 219267360. Its totient is φ = 27515648.

The previous prime is 82547317. The next prime is 82547357. The reversal of 82547328 is 82374528.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×82547328² = 13628122719879168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107100 + ... + 107867.

It is an arithmetic number, because the mean of its divisors is an integer number (6852105).

Almost surely, 2^82547328 is an apocalyptic number.

It is an amenable number.

82547328 is an abundant number, since it is smaller than the sum of its proper divisors (136720032).

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

82547328 is a wasteful number, since it uses less digits than its factorization.

82547328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214984 (or 214972 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 82547328 is about 9085.5560094031. The cubic root of 82547328 is about 435.4126141770.

The spelling of 82547328 in words is "eighty-two million, five hundred forty-seven thousand, three hundred twenty-eight".