68888827609 has 16 divisors (see below), whose sum is σ = 85062528000. Its totient is φ = 55574175552.

The previous prime is 68888827589. The next prime is 68888827661. The reversal of 68888827609 is 90672888886.

It is not a de Polignac number, because 68888827609 - 2⁹ = 68888827097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68888827109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5901289 + ... + 5912950.

It is an arithmetic number, because the mean of its divisors is an integer number (5316408000).

Almost surely, 2^68888827609 is an apocalyptic number.

It is an amenable number.

68888827609 is a deficient number, since it is larger than the sum of its proper divisors (16173700391).

68888827609 is a wasteful number, since it uses less digits than its factorization.

68888827609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814277 (or 11814263 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 70.

The spelling of 68888827609 in words is "sixty-eight billion, eight hundred eighty-eight million, eight hundred twenty-seven thousand, six hundred nine".