82568938250 has 32 divisors (see below), whose sum is σ = 155096729424. Its totient is φ = 32914824000.

The previous prime is 82568938241. The next prime is 82568938253. The reversal of 82568938250 is 5283986528.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5646470449 + 76922467801 = 75143^2 + 277349^2 .

It is not an unprimeable number, because it can be changed into a prime (82568938253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490361 + ... + 636860.

Almost surely, 2^82568938250 is an apocalyptic number.

82568938250 is a deficient number, since it is larger than the sum of its proper divisors (72527791174).

82568938250 is a wasteful number, since it uses less digits than its factorization.

82568938250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127531 (or 1127521 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 82568938250 in words is "eighty-two billion, five hundred sixty-eight million, nine hundred thirty-eight thousand, two hundred fifty".