7712853809 has 2 divisors, whose sum is σ = 7712853810. Its totient is φ = 7712853808.

The previous prime is 7712853761. The next prime is 7712853821. The reversal of 7712853809 is 9083582177.

7712853809 is digitally balanced in base 3, 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., 7690763809 + 22090000 = 87697^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 7712853809 - 2¹⁶ = 7712788273 is a prime.

It is a super-2 number, since 2×7712853809² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7712853859) 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, 3856426904 + 3856426905.

It is an arithmetic number, because the mean of its divisors is an integer number (3856426905).

Almost surely, 2^7712853809 is an apocalyptic number.

It is an amenable number.

7712853809 is a deficient number, since it is larger than the sum of its proper divisors (1).

7712853809 is an equidigital number, since it uses as much as digits as its factorization.

7712853809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 7712853809 is about 87822.8547076443. The cubic root of 7712853809 is about 1975.7790066065.

The spelling of 7712853809 in words is "seven billion, seven hundred twelve million, eight hundred fifty-three thousand, eight hundred nine".