68975235328 has 36 divisors (see below), whose sum is σ = 145779929820. Its totient is φ = 32458932224.

The previous prime is 68975235257. The next prime is 68975235331. The reversal of 68975235328 is 82353257986.

It can be written as a sum of positive squares in 2 ways, for example, as 31071817984 + 37903417344 = 176272^2 + 194688^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7920193 + ... + 7928896.

It is an arithmetic number, because the mean of its divisors is an integer number (4049442495).

Almost surely, 2^68975235328 is an apocalyptic number.

68975235328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68975235328 is an abundant number, since it is smaller than the sum of its proper divisors (76804694492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68975235328 is a wasteful number, since it uses less digits than its factorization.

68975235328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15849122 (or 15849108 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 68975235328 in words is "sixty-eight billion, nine hundred seventy-five million, two hundred thirty-five thousand, three hundred twenty-eight".