68840843795 has 64 divisors (see below), whose sum is σ = 91750993920. Its totient is φ = 49351876992.

The previous prime is 68840843759. The next prime is 68840843801. The reversal of 68840843795 is 59734804886.

It is a cyclic number.

It is not a de Polignac number, because 68840843795 - 2²⁴ = 68824066579 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100791524 + ... + 100792206.

It is an arithmetic number, because the mean of its divisors is an integer number (1433609280).

Almost surely, 2^68840843795 is an apocalyptic number.

68840843795 is a deficient number, since it is larger than the sum of its proper divisors (22910150125).

68840843795 is a wasteful number, since it uses less digits than its factorization.

68840843795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 68840843795 in words is "sixty-eight billion, eight hundred forty million, eight hundred forty-three thousand, seven hundred ninety-five".