68678211 has 16 divisors (see below), whose sum is σ = 104940800. Its totient is φ = 39136608.

The previous prime is 68678209. The next prime is 68678213. The reversal of 68678211 is 11287686.

It is an interprime number because it is at equal distance from previous prime (68678209) and next prime (68678213).

It is not a de Polignac number, because 68678211 - 2¹ = 68678209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68678211.

It is not an unprimeable number, because it can be changed into a prime (68678213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645 + ... + 12273.

It is an arithmetic number, because the mean of its divisors is an integer number (6558800).

Almost surely, 2^68678211 is an apocalyptic number.

68678211 is a deficient number, since it is larger than the sum of its proper divisors (36262589).

68678211 is a wasteful number, since it uses less digits than its factorization.

68678211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018.

The product of its digits is 32256, while the sum is 39.

The square root of 68678211 is about 8287.2318056152. The cubic root of 68678211 is about 409.5179959323.

The spelling of 68678211 in words is "sixty-eight million, six hundred seventy-eight thousand, two hundred eleven".