68085843 has 32 divisors (see below), whose sum is σ = 106905600. Its totient is φ = 38525760.

The previous prime is 68085841. The next prime is 68085847. The reversal of 68085843 is 34858086.

It is not a de Polignac number, because 68085843 - 2¹ = 68085841 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68085795 and 68085804.

It is not an unprimeable number, because it can be changed into a prime (68085841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130423 + ... + 130943.

It is an arithmetic number, because the mean of its divisors is an integer number (3340800).

Almost surely, 2^68085843 is an apocalyptic number.

68085843 is a deficient number, since it is larger than the sum of its proper divisors (38819757).

68085843 is a wasteful number, since it uses less digits than its factorization.

68085843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 68085843 is about 8251.4146059933. The cubic root of 68085843 is about 408.3371936143.

The spelling of 68085843 in words is "sixty-eight million, eighty-five thousand, eight hundred forty-three".