68875012625 has 8 divisors (see below), whose sum is σ = 85956015912. Its totient is φ = 55100010000.

The previous prime is 68875012573. The next prime is 68875012651. The reversal of 68875012625 is 52621057886.

It can be written as a sum of positive squares in 4 ways, for example, as 1810587601 + 67064425024 = 42551^2 + 258968^2 .

It is not a de Polignac number, because 68875012625 - 2³² = 64580045329 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275499926 + ... + 275500175.

It is an arithmetic number, because the mean of its divisors is an integer number (10744501989).

Almost surely, 2^68875012625 is an apocalyptic number.

It is an amenable number.

68875012625 is a deficient number, since it is larger than the sum of its proper divisors (17081003287).

68875012625 is an equidigital number, since it uses as much as digits as its factorization.

68875012625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551000116 (or 551000106 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 68875012625 in words is "sixty-eight billion, eight hundred seventy-five million, twelve thousand, six hundred twenty-five".