68668854 has 32 divisors (see below), whose sum is σ = 139845120. Its totient is φ = 22475232.

The previous prime is 68668841. The next prime is 68668877. The reversal of 68668854 is 45886686.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68668797 and 68668806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131037 + ... + 131559.

It is an arithmetic number, because the mean of its divisors is an integer number (4370160).

Almost surely, 2^68668854 is an apocalyptic number.

68668854 is an abundant number, since it is smaller than the sum of its proper divisors (71176266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68668854 is a wasteful number, since it uses less digits than its factorization.

68668854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its digits is 2211840, while the sum is 51.

The square root of 68668854 is about 8286.6672432287. The cubic root of 68668854 is about 409.4993969527.

The spelling of 68668854 in words is "sixty-eight million, six hundred sixty-eight thousand, eight hundred fifty-four".