68836577563886 has 16 divisors (see below), whose sum is σ = 114766986952368. Its totient is φ = 30698988278400.

The previous prime is 68836577563883. The next prime is 68836577563991.

It is a happy number.

68836577563886 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68836577563886² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68836577563798 and 68836577563807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68836577563883) 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, 29518256795 + ... + 29518259126.

It is an arithmetic number, because the mean of its divisors is an integer number (7172936684523).

Almost surely, 2^{68836577563886} is an apocalyptic number.

68836577563886 is a deficient number, since it is larger than the sum of its proper divisors (45930409388482).

68836577563886 is a wasteful number, since it uses less digits than its factorization.

68836577563886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59036515987.

The product of its digits is 58525286400, while the sum is 86.

The spelling of 68836577563886 in words is "sixty-eight trillion, eight hundred thirty-six billion, five hundred seventy-seven million, five hundred sixty-three thousand, eight hundred eighty-six".