68858485887 has 8 divisors (see below), whose sum is σ = 92720337840. Its totient is φ = 45451145600.

The previous prime is 68858485819. The next prime is 68858485889. The reversal of 68858485887 is 78858485886.

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

It is a cyclic number.

It is not a de Polignac number, because 68858485887 - 2²⁷ = 68724268159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68858485889) 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, 113627562 + ... + 113628167.

It is an arithmetic number, because the mean of its divisors is an integer number (11590042230).

Almost surely, 2^68858485887 is an apocalyptic number.

68858485887 is a deficient number, since it is larger than the sum of its proper divisors (23861851953).

68858485887 is a wasteful number, since it uses less digits than its factorization.

68858485887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227255833.

The product of its digits is 1101004800, while the sum is 75.

Subtracting 68858485887 from its reverse (78858485886), we obtain a palindrome (9999999999).

The spelling of 68858485887 in words is "sixty-eight billion, eight hundred fifty-eight million, four hundred eighty-five thousand, eight hundred eighty-seven".