82645328 has 10 divisors (see below), whose sum is σ = 160125354. Its totient is φ = 41322656.

The previous prime is 82645267. The next prime is 82645351. The reversal of 82645328 is 82354628.

It can be written as a sum of positive squares in only one way, i.e., 74511424 + 8133904 = 8632^2 + 2852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82645291 and 82645300.

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 as a sum of consecutive naturals, namely, 2582651 + ... + 2582682.

Almost surely, 2^82645328 is an apocalyptic number.

It is an amenable number.

82645328 is a deficient number, since it is larger than the sum of its proper divisors (77480026).

82645328 is a wasteful number, since it uses less digits than its factorization.

82645328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165341 (or 5165335 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 82645328 is about 9090.9475853730. The cubic root of 82645328 is about 435.5848529894.

The spelling of 82645328 in words is "eighty-two million, six hundred forty-five thousand, three hundred twenty-eight".