67055255077 has 4 divisors (see below), whose sum is σ = 67057885216. Its totient is φ = 67052624940.

The previous prime is 67055255027. The next prime is 67055255083. The reversal of 67055255077 is 77055255076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67055255077 - 2¹⁵ = 67055222309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67055255077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67055255027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1276449 + ... + 1327942.

It is an arithmetic number, because the mean of its divisors is an integer number (16764471304).

Almost surely, 2^67055255077 is an apocalyptic number.

It is an amenable number.

67055255077 is a deficient number, since it is larger than the sum of its proper divisors (2630139).

67055255077 is a wasteful number, since it uses less digits than its factorization.

67055255077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630138.

The product of its (nonzero) digits is 2572500, while the sum is 49.

Subtracting 67055255077 from its reverse (77055255076), we obtain a palindrome (9999999999).

The spelling of 67055255077 in words is "sixty-seven billion, fifty-five million, two hundred fifty-five thousand, seventy-seven".