68868063 has 40 divisors (see below), whose sum is σ = 115317840. Its totient is φ = 40590720.

The previous prime is 68868061. The next prime is 68868067. The reversal of 68868063 is 36086886.

It is not a de Polignac number, because 68868063 - 2¹ = 68868061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68868061) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 31923 + ... + 34011.

It is an arithmetic number, because the mean of its divisors is an integer number (2882946).

Almost surely, 2^68868063 is an apocalyptic number.

68868063 is a deficient number, since it is larger than the sum of its proper divisors (46449777).

68868063 is a wasteful number, since it uses less digits than its factorization.

68868063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 68868063 is about 8298.6783887556. The cubic root of 68868063 is about 409.8950018657.

The spelling of 68868063 in words is "sixty-eight million, eight hundred sixty-eight thousand, sixty-three".