68336892485 has 32 divisors (see below), whose sum is σ = 88349201280. Its totient is φ = 50553223168.

The previous prime is 68336892479. The next prime is 68336892509. The reversal of 68336892485 is 58429863386.

It is a cyclic number.

It is not a de Polignac number, because 68336892485 - 2¹⁰ = 68336891461 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 14255249 + ... + 14260041.

It is an arithmetic number, because the mean of its divisors is an integer number (2760912540).

Almost surely, 2^68336892485 is an apocalyptic number.

It is an amenable number.

68336892485 is a deficient number, since it is larger than the sum of its proper divisors (20012308795).

68336892485 is a wasteful number, since it uses less digits than its factorization.

68336892485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717.

The product of its digits is 59719680, while the sum is 62.

The spelling of 68336892485 in words is "sixty-eight billion, three hundred thirty-six million, eight hundred ninety-two thousand, four hundred eighty-five".