67773401077677 has 8 divisors (see below), whose sum is σ = 90430350168864. Its totient is φ = 45149359685808.

The previous prime is 67773401077673. The next prime is 67773401077709. The reversal of 67773401077677 is 77677010437776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67773401077677 - 2² = 67773401077673 is a prime.

It is a Smith number, since the sum of its digits (69) 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 not an unprimeable number, because it can be changed into a prime (67773401077673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226920023 + ... + 8226928260.

It is an arithmetic number, because the mean of its divisors is an integer number (11303793771108).

Almost surely, 2^{67773401077677} is an apocalyptic number.

It is an amenable number.

67773401077677 is a deficient number, since it is larger than the sum of its proper divisors (22656949091187).

67773401077677 is a wasteful number, since it uses less digits than its factorization.

67773401077677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453849659.

The product of its (nonzero) digits is 355770576, while the sum is 69.

The spelling of 67773401077677 in words is "sixty-seven trillion, seven hundred seventy-three billion, four hundred one million, seventy-seven thousand, six hundred seventy-seven".