68756250625 has 20 divisors (see below), whose sum is σ = 86573775024. Its totient is φ = 54585050000.

The previous prime is 68756250617. The next prime is 68756250649. The reversal of 68756250625 is 52605265786.

It is not a de Polignac number, because 68756250625 - 2³ = 68756250617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 338011 + ... + 501760.

Almost surely, 2^68756250625 is an apocalyptic number.

It is an amenable number.

68756250625 is a deficient number, since it is larger than the sum of its proper divisors (17817524399).

68756250625 is an equidigital number, since it uses as much as digits as its factorization.

68756250625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839922 (or 839907 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 68756250625 in words is "sixty-eight billion, seven hundred fifty-six million, two hundred fifty thousand, six hundred twenty-five".