8400056773 has 2 divisors, whose sum is σ = 8400056774. Its totient is φ = 8400056772.

The previous prime is 8400056723. The next prime is 8400056839. The reversal of 8400056773 is 3776500048.

8400056773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8149214529 + 250842244 = 90273^2 + 15838^2 .

It is a cyclic number.

It is not a de Polignac number, because 8400056773 - 2¹⁷ = 8399925701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8400056713) 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 as a sum of consecutive naturals, namely, 4200028386 + 4200028387.

It is an arithmetic number, because the mean of its divisors is an integer number (4200028387).

Almost surely, 2^8400056773 is an apocalyptic number.

It is an amenable number.

8400056773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400056773 is an equidigital number, since it uses as much as digits as its factorization.

8400056773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 8400056773 is about 91651.8236207005. The cubic root of 8400056773 is about 2032.7972932916.

The spelling of 8400056773 in words is "eight billion, four hundred million, fifty-six thousand, seven hundred seventy-three".