82108418 has 24 divisors (see below), whose sum is σ = 144031932. Its totient is φ = 35002464.

The previous prime is 82108391. The next prime is 82108441. The reversal of 82108418 is 81480128.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 693889 = 9023^2 + 833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17180 + ... + 21432.

Almost surely, 2^82108418 is an apocalyptic number.

82108418 is a deficient number, since it is larger than the sum of its proper divisors (61923514).

82108418 is a wasteful number, since it uses less digits than its factorization.

82108418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 82108418 is about 9061.3695432865. The cubic root of 82108418 is about 434.6395357949.

The spelling of 82108418 in words is "eighty-two million, one hundred eight thousand, four hundred eighteen".