82818256 has 10 divisors (see below), whose sum is σ = 160460402. Its totient is φ = 41409120.

The previous prime is 82818233. The next prime is 82818257. The reversal of 82818256 is 65281828.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 15840400 = 8184^2 + 3980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82818257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588055 + ... + 2588086.

Almost surely, 2^82818256 is an apocalyptic number.

It is an amenable number.

82818256 is a deficient number, since it is larger than the sum of its proper divisors (77642146).

82818256 is a wasteful number, since it uses less digits than its factorization.

82818256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176149 (or 5176143 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 82818256 is about 9100.4536150678. The cubic root of 82818256 is about 435.8884488628. Note that the first 3 decimals are identical.

The spelling of 82818256 in words is "eighty-two million, eight hundred eighteen thousand, two hundred fifty-six".