825683820008 has 16 divisors (see below), whose sum is σ = 1573536789060. Its totient is φ = 406074009600.

The previous prime is 825683819971. The next prime is 825683820011. The reversal of 825683820008 is 800028386528.

It can be written as a sum of positive squares in 2 ways, for example, as 825448565764 + 235254244 = 908542^2 + 15338^2 .

It is a super-2 number, since 2×825683820008² (a number of 25 digits) contains 22 as substring.

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, 845987033 + ... + 845988008.

Almost surely, 2^825683820008 is an apocalyptic number.

It is an amenable number.

825683820008 is a deficient number, since it is larger than the sum of its proper divisors (747852969052).

825683820008 is a wasteful number, since it uses less digits than its factorization.

825683820008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691975108 (or 1691975104 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 825683820008 in words is "eight hundred twenty-five billion, six hundred eighty-three million, eight hundred twenty thousand, eight".