68485612085 has 8 divisors (see below), whose sum is σ = 89653892256. Its totient is φ = 49807717840.

The previous prime is 68485612057. The next prime is 68485612127. The reversal of 68485612085 is 58021658486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68485612085 - 2¹² = 68485607989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622596419 + ... + 622596528.

It is an arithmetic number, because the mean of its divisors is an integer number (11206736532).

Almost surely, 2^68485612085 is an apocalyptic number.

It is an amenable number.

68485612085 is a deficient number, since it is larger than the sum of its proper divisors (21168280171).

68485612085 is a wasteful number, since it uses less digits than its factorization.

68485612085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245192963.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 68485612085 in words is "sixty-eight billion, four hundred eighty-five million, six hundred twelve thousand, eighty-five".