82866208 has 24 divisors (see below), whose sum is σ = 165911760. Its totient is φ = 40729920.

The previous prime is 82866197. The next prime is 82866247. The reversal of 82866208 is 80266828.

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, 20058 + ... + 23833.

It is an arithmetic number, because the mean of its divisors is an integer number (6912990).

Almost surely, 2^82866208 is an apocalyptic number.

It is an amenable number.

82866208 is an abundant number, since it is smaller than the sum of its proper divisors (83045552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82866208 is a wasteful number, since it uses less digits than its factorization.

82866208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43960 (or 43952 counting only the distinct ones).

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

The square root of 82866208 is about 9103.0878277648. The cubic root of 82866208 is about 435.9725595052.

The spelling of 82866208 in words is "eighty-two million, eight hundred sixty-six thousand, two hundred eight".