82818448 has 20 divisors (see below), whose sum is σ = 160610380. Its totient is φ = 41370624.

The previous prime is 82818431. The next prime is 82818451. The reversal of 82818448 is 84481828.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78357904 + 4460544 = 8852^2 + 2112^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24136 + ... + 27352.

It is an arithmetic number, because the mean of its divisors is an integer number (8030519).

Almost surely, 2^82818448 is an apocalyptic number.

It is an amenable number.

82818448 is a deficient number, since it is larger than the sum of its proper divisors (77791932).

82818448 is a wasteful number, since it uses less digits than its factorization.

82818448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4828 counting only the distinct ones).

The product of its digits is 131072, while the sum is 43.

The square root of 82818448 is about 9100.4641639864. The cubic root of 82818448 is about 435.8887857069. Note that the first 3 decimals are identical.

The spelling of 82818448 in words is "eighty-two million, eight hundred eighteen thousand, four hundred forty-eight".