775955425163 has 4 divisors (see below), whose sum is σ = 775961253360. Its totient is φ = 775949596968.

The previous prime is 775955425121. The next prime is 775955425207. The reversal of 775955425163 is 361524559577.

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 775955425163 - 2¹⁴ = 775955408779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775955425963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709608 + ... + 2982261.

It is an arithmetic number, because the mean of its divisors is an integer number (193990313340).

Almost surely, 2^775955425163 is an apocalyptic number.

775955425163 is a deficient number, since it is larger than the sum of its proper divisors (5828197).

775955425163 is a wasteful number, since it uses less digits than its factorization.

775955425163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828196.

The product of its digits is 39690000, while the sum is 59.

The spelling of 775955425163 in words is "seven hundred seventy-five billion, nine hundred fifty-five million, four hundred twenty-five thousand, one hundred sixty-three".