50778672837173 has 2 divisors, whose sum is σ = 50778672837174. Its totient is φ = 50778672837172.

The previous prime is 50778672837119. The next prime is 50778672837197. The reversal of 50778672837173 is 37173827687705.

50778672837173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40047925125649 + 10730747711524 = 6328343^2 + 3275782^2 .

It is a cyclic number.

It is not a de Polignac number, because 50778672837173 - 2²⁶ = 50778605728309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50778672837097 and 50778672837106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778672837973) 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 as a sum of consecutive naturals, namely, 25389336418586 + 25389336418587.

It is an arithmetic number, because the mean of its divisors is an integer number (25389336418587).

Almost surely, 2^{50778672837173} is an apocalyptic number.

It is an amenable number.

50778672837173 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778672837173 is an equidigital number, since it uses as much as digits as its factorization.

50778672837173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580849920, while the sum is 71.

The spelling of 50778672837173 in words is "fifty trillion, seven hundred seventy-eight billion, six hundred seventy-two million, eight hundred thirty-seven thousand, one hundred seventy-three".