67543973787396 has 48 divisors (see below), whose sum is σ = 158339557232640. Its totient is φ = 22409516113920.

The previous prime is 67543973787341. The next prime is 67543973787401. The reversal of 67543973787396 is 69378737934576.

67543973787396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4617495 + ... + 12506366.

It is an arithmetic number, because the mean of its divisors is an integer number (3298740775680).

Almost surely, 2^{67543973787396} is an apocalyptic number.

It is an amenable number.

67543973787396 is an abundant number, since it is smaller than the sum of its proper divisors (90795583445244).

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

67543973787396 is a wasteful number, since it uses less digits than its factorization.

67543973787396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17125404 (or 17125402 counting only the distinct ones).

The product of its digits is 30245685120, while the sum is 84.

The spelling of 67543973787396 in words is "sixty-seven trillion, five hundred forty-three billion, nine hundred seventy-three million, seven hundred eighty-seven thousand, three hundred ninety-six".