834450678585 has 12 divisors (see below), whose sum is σ = 1446381176292. Its totient is φ = 445040361888.

The previous prime is 834450678563. The next prime is 834450678623. The reversal of 834450678585 is 585876054438.

834450678585 is a `hidden beast` number, since 8 + 3 + 4 + 4 + 506 + 78 + 58 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 470161176489 + 364289502096 = 685683^2 + 603564^2 .

It is not a de Polignac number, because 834450678585 - 2⁶ = 834450678521 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9271674162 + ... + 9271674251.

It is an arithmetic number, because the mean of its divisors is an integer number (120531764691).

Almost surely, 2^834450678585 is an apocalyptic number.

It is an amenable number.

834450678585 is a deficient number, since it is larger than the sum of its proper divisors (611930497707).

834450678585 is a wasteful number, since it uses less digits than its factorization.

834450678585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18543348424 (or 18543348421 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 63.

The spelling of 834450678585 in words is "eight hundred thirty-four billion, four hundred fifty million, six hundred seventy-eight thousand, five hundred eighty-five".