68523572785 has 8 divisors (see below), whose sum is σ = 82230698880. Its totient is φ = 54817250544.

The previous prime is 68523572743. The next prime is 68523572797. The reversal of 68523572785 is 58727532586.

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

It is a cyclic number.

It is not a de Polignac number, because 68523572785 - 2³⁵ = 34163834417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944 + ... + 370246.

It is an arithmetic number, because the mean of its divisors is an integer number (10278837360).

Almost surely, 2^68523572785 is an apocalyptic number.

It is an amenable number.

68523572785 is a deficient number, since it is larger than the sum of its proper divisors (13707126095).

68523572785 is a wasteful number, since it uses less digits than its factorization.

68523572785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401927.

The product of its digits is 28224000, while the sum is 58.

The spelling of 68523572785 in words is "sixty-eight billion, five hundred twenty-three million, five hundred seventy-two thousand, seven hundred eighty-five".