82855250 has 32 divisors (see below), whose sum is σ = 160123392. Its totient is φ = 32070000.

The previous prime is 82855243. The next prime is 82855261. The reversal of 82855250 is 5255828.

It is a self number, because there is not a number n which added to its sum of digits gives 82855250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (5003856).

Almost surely, 2^82855250 is an apocalyptic number.

82855250 is a deficient number, since it is larger than the sum of its proper divisors (77268142).

82855250 is a wasteful number, since it uses less digits than its factorization.

82855250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739 (or 10729 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 82855250 is about 9102.4859241858. The cubic root of 82855250 is about 435.9533413864.

The spelling of 82855250 in words is "eighty-two million, eight hundred fifty-five thousand, two hundred fifty".