82276864 has 20 divisors (see below), whose sum is σ = 164394054. Its totient is φ = 41138176.

The previous prime is 82276849. The next prime is 82276867. The reversal of 82276864 is 46867228.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 14379264 = 8240^2 + 3792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82276864.

It is not an unprimeable number, because it can be changed into a prime (82276867) 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, 79837 + ... + 80860.

Almost surely, 2^82276864 is an apocalyptic number.

It is an amenable number.

82276864 is a deficient number, since it is larger than the sum of its proper divisors (82117190).

82276864 is an equidigital number, since it uses as much as digits as its factorization.

82276864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160715 (or 160699 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 82276864 is about 9070.6595129571. The cubic root of 82276864 is about 434.9365548020.

The spelling of 82276864 in words is "eighty-two million, two hundred seventy-six thousand, eight hundred sixty-four".