68885074420000 has 60 divisors (see below), whose sum is σ = 169467615883566. Its totient is φ = 27554029760000.

The previous prime is 68885074419979. The next prime is 68885074420037. The reversal of 68885074420000 is 2447058886.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 2554409455504 + 66330664964496 = 1598252^2 + 8144364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68885074420000.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1722106861 + ... + 1722146860.

Almost surely, 2^{68885074420000} is an apocalyptic number.

It is an amenable number.

68885074420000 is an abundant number, since it is smaller than the sum of its proper divisors (100582541463566).

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

68885074420000 is an equidigital number, since it uses as much as digits as its factorization.

68885074420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444253751 (or 3444253728 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 68885074420000 in words is "sixty-eight trillion, eight hundred eighty-five billion, seventy-four million, four hundred twenty thousand".