82065604 has 12 divisors (see below), whose sum is σ = 144008704. Its totient is φ = 40920264.

The previous prime is 82065601. The next prime is 82065611. The reversal of 82065604 is 40656028.

It is not an unprimeable number, because it can be changed into a prime (82065601) by changing a digit.

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, 26484 + ... + 29419.

Almost surely, 2^82065604 is an apocalyptic number.

It is an amenable number.

82065604 is a deficient number, since it is larger than the sum of its proper divisors (61943100).

82065604 is a wasteful number, since it uses less digits than its factorization.

82065604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56274 (or 56272 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 82065604 is about 9059.0067888262. The cubic root of 82065604 is about 434.5639775965.

The spelling of 82065604 in words is "eighty-two million, sixty-five thousand, six hundred four".