77048646167 has 4 divisors (see below), whose sum is σ = 77179905096. Its totient is φ = 76917387240.

The previous prime is 77048646133. The next prime is 77048646209. The reversal of 77048646167 is 76164684077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77048646167 - 2²² = 77044451863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77098646167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65628584 + ... + 65629757.

It is an arithmetic number, because the mean of its divisors is an integer number (19294976274).

Almost surely, 2^77048646167 is an apocalyptic number.

77048646167 is a deficient number, since it is larger than the sum of its proper divisors (131258929).

77048646167 is a wasteful number, since it uses less digits than its factorization.

77048646167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131258928.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 77048646167 in words is "seventy-seven billion, forty-eight million, six hundred forty-six thousand, one hundred sixty-seven".