82318864 has 10 divisors (see below), whose sum is σ = 159492830. Its totient is φ = 41159424.

The previous prime is 82318861. The next prime is 82318897. The reversal of 82318864 is 46881328.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 15210000 = 8192^2 + 3900^2 .

It is not an unprimeable number, because it can be changed into a prime (82318861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572449 + ... + 2572480.

It is an arithmetic number, because the mean of its divisors is an integer number (15949283).

Almost surely, 2^82318864 is an apocalyptic number.

It is an amenable number.

82318864 is a deficient number, since it is larger than the sum of its proper divisors (77173966).

82318864 is a wasteful number, since it uses less digits than its factorization.

82318864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144937 (or 5144931 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 82318864 is about 9072.9743744816. The cubic root of 82318864 is about 435.0105497948.

The spelling of 82318864 in words is "eighty-two million, three hundred eighteen thousand, eight hundred sixty-four".