68108325428 has 96 divisors (see below), whose sum is σ = 149155147008. Its totient is φ = 26734233600.

The previous prime is 68108325427. The next prime is 68108325473. The reversal of 68108325428 is 82452380186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68108325421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602938 + ... + 1644878.

It is an arithmetic number, because the mean of its divisors is an integer number (1553699448).

Almost surely, 2^68108325428 is an apocalyptic number.

68108325428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68108325428 is an abundant number, since it is smaller than the sum of its proper divisors (81046821580).

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

68108325428 is a wasteful number, since it uses less digits than its factorization.

68108325428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42153 (or 42151 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 68108325428 in words is "sixty-eight billion, one hundred eight million, three hundred twenty-five thousand, four hundred twenty-eight".