775060009 has 2 divisors, whose sum is σ = 775060010. Its totient is φ = 775060008.

The previous prime is 775059997. The next prime is 775060019. The reversal of 775060009 is 900060577.

775060009 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., 656794384 + 118265625 = 25628^2 + 10875^2 .

It is a cyclic number.

It is not a de Polignac number, because 775060009 - 2⁵ = 775059977 is a prime.

It is not a weakly prime, because it can be changed into another prime (775060019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387530004 + 387530005.

It is an arithmetic number, because the mean of its divisors is an integer number (387530005).

Almost surely, 2^775060009 is an apocalyptic number.

It is an amenable number.

775060009 is a deficient number, since it is larger than the sum of its proper divisors (1).

775060009 is an equidigital number, since it uses as much as digits as its factorization.

775060009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 775060009 is about 27839.8995867442. The cubic root of 775060009 is about 918.5689823451.

The spelling of 775060009 in words is "seven hundred seventy-five million, sixty thousand, nine".