67777553196422 has 16 divisors (see below), whose sum is σ = 102333192931392. Its totient is φ = 33666664265640.

The previous prime is 67777553196377. The next prime is 67777553196541. The reversal of 67777553196422 is 22469135577776.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43070708 + ... + 44616599.

It is an arithmetic number, because the mean of its divisors is an integer number (6395824558212).

Almost surely, 2^{67777553196422} is an apocalyptic number.

67777553196422 is a deficient number, since it is larger than the sum of its proper divisors (34555639734970).

67777553196422 is a wasteful number, since it uses less digits than its factorization.

67777553196422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87689843.

The product of its digits is 933508800, while the sum is 71.

The spelling of 67777553196422 in words is "sixty-seven trillion, seven hundred seventy-seven billion, five hundred fifty-three million, one hundred ninety-six thousand, four hundred twenty-two".