8328778273 has 2 divisors, whose sum is σ = 8328778274. Its totient is φ = 8328778272.

The previous prime is 8328778259. The next prime is 8328778291. The reversal of 8328778273 is 3728778238.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4878743104 + 3450035169 = 69848^2 + 58737^2 .

It is a cyclic number.

It is not a de Polignac number, because 8328778273 - 2²⁵ = 8295223841 is a prime.

It is not a weakly prime, because it can be changed into another prime (8328778223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4164389136 + 4164389137.

It is an arithmetic number, because the mean of its divisors is an integer number (4164389137).

Almost surely, 2^8328778273 is an apocalyptic number.

It is an amenable number.

8328778273 is a deficient number, since it is larger than the sum of its proper divisors (1).

8328778273 is an equidigital number, since it uses as much as digits as its factorization.

8328778273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6322176, while the sum is 55.

The square root of 8328778273 is about 91262.1404143032. The cubic root of 8328778273 is about 2027.0312005716.

The spelling of 8328778273 in words is "eight billion, three hundred twenty-eight million, seven hundred seventy-eight thousand, two hundred seventy-three".