82663936 has 20 divisors (see below), whose sum is σ = 165167442. Its totient is φ = 41331712.

The previous prime is 82663921. The next prime is 82663937. The reversal of 82663936 is 63936628.

It can be written as a sum of positive squares in only one way, i.e., 53934336 + 28729600 = 7344^2 + 5360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82663892 and 82663901.

It is not an unprimeable number, because it can be changed into a prime (82663937) 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 as a sum of consecutive naturals, namely, 80215 + ... + 81238.

Almost surely, 2^82663936 is an apocalyptic number.

It is an amenable number.

82663936 is a deficient number, since it is larger than the sum of its proper divisors (82503506).

82663936 is an equidigital number, since it uses as much as digits as its factorization.

82663936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161471 (or 161455 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 82663936 is about 9091.9709634380. The cubic root of 82663936 is about 435.6175418899.

The spelling of 82663936 in words is "eighty-two million, six hundred sixty-three thousand, nine hundred thirty-six".