68827632559 has 8 divisors (see below), whose sum is σ = 78723140000. Its totient is φ = 58947872256.

The previous prime is 68827632557. The next prime is 68827632613. The reversal of 68827632559 is 95523672886.

It is a happy number.

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

It is not a de Polignac number, because 68827632559 - 2¹ = 68827632557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68827632497 and 68827632506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68827632557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927414 + ... + 3944899.

It is an arithmetic number, because the mean of its divisors is an integer number (9840392500).

Almost surely, 2^68827632559 is an apocalyptic number.

68827632559 is a deficient number, since it is larger than the sum of its proper divisors (9895507441).

68827632559 is a wasteful number, since it uses less digits than its factorization.

68827632559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873569.

The product of its digits is 43545600, while the sum is 61.

The spelling of 68827632559 in words is "sixty-eight billion, eight hundred twenty-seven million, six hundred thirty-two thousand, five hundred fifty-nine".