68558811 has 8 divisors (see below), whose sum is σ = 91886160. Its totient is φ = 45468672.

The previous prime is 68558801. The next prime is 68558849. The reversal of 68558811 is 11885586.

It is a happy number.

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

It is not a de Polignac number, because 68558811 - 2⁵ = 68558779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68558801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58626 + ... + 59783.

It is an arithmetic number, because the mean of its divisors is an integer number (11485770).

Almost surely, 2^68558811 is an apocalyptic number.

68558811 is a deficient number, since it is larger than the sum of its proper divisors (23327349).

68558811 is a wasteful number, since it uses less digits than its factorization.

68558811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118605.

The product of its digits is 76800, while the sum is 42.

The square root of 68558811 is about 8280.0248188034. The cubic root of 68558811 is about 409.2805367654.

The spelling of 68558811 in words is "sixty-eight million, five hundred fifty-eight thousand, eight hundred eleven".