68888624848 has 10 divisors (see below), whose sum is σ = 133471710674. Its totient is φ = 34444312416.

The previous prime is 68888624839. The next prime is 68888624863. The reversal of 68888624848 is 84842688886.

It can be written as a sum of positive squares in only one way, i.e., 63610892944 + 5277731904 = 252212^2 + 72648^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2152769511 + ... + 2152769542.

Almost surely, 2^68888624848 is an apocalyptic number.

It is an amenable number.

68888624848 is a deficient number, since it is larger than the sum of its proper divisors (64583085826).

68888624848 is a wasteful number, since it uses less digits than its factorization.

68888624848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305539061 (or 4305539055 counting only the distinct ones).

The product of its digits is 301989888, while the sum is 70.

The spelling of 68888624848 in words is "sixty-eight billion, eight hundred eighty-eight million, six hundred twenty-four thousand, eight hundred forty-eight".