68475707685 has 576 divisors, whose sum is σ = 171031910400. Its totient is φ = 24534835200.

The previous prime is 68475707669. The next prime is 68475707693. The reversal of 68475707685 is 58670757486.

It is not a de Polignac number, because 68475707685 - 2⁴ = 68475707669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 575 ways as a sum of consecutive naturals, for example, 1122552555 + ... + 1122552615.

It is an arithmetic number, because the mean of its divisors is an integer number (296930400).

Almost surely, 2^68475707685 is an apocalyptic number.

It is an amenable number.

68475707685 is an abundant number, since it is smaller than the sum of its proper divisors (102556202715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68475707685 is a wasteful number, since it uses less digits than its factorization.

68475707685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 68475707685 in words is "sixty-eight billion, four hundred seventy-five million, seven hundred seven thousand, six hundred eighty-five".