68866455466886 has 32 divisors (see below), whose sum is σ = 131529411505152. Its totient is φ = 26260212360960.

The previous prime is 68866455466871. The next prime is 68866455466943.

68866455466886 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68866455466798 and 68866455466807.

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, 4757277611 + ... + 4757292086.

It is an arithmetic number, because the mean of its divisors is an integer number (4110294109536).

Almost surely, 2^{68866455466886} is an apocalyptic number.

68866455466886 is a deficient number, since it is larger than the sum of its proper divisors (62662956038266).

68866455466886 is a wasteful number, since it uses less digits than its factorization.

68866455466886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514569764.

The product of its digits is 76441190400, while the sum is 86.

The spelling of 68866455466886 in words is "sixty-eight trillion, eight hundred sixty-six billion, four hundred fifty-five million, four hundred sixty-six thousand, eight hundred eighty-six".