7115728307 has 2 divisors, whose sum is σ = 7115728308. Its totient is φ = 7115728306.

The previous prime is 7115728273. The next prime is 7115728327. The reversal of 7115728307 is 7038275117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7115728307 - 2⁸ = 7115728051 is a prime.

It is not a weakly prime, because it can be changed into another prime (7115728327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557864153 + 3557864154.

It is an arithmetic number, because the mean of its divisors is an integer number (3557864154).

Almost surely, 2^7115728307 is an apocalyptic number.

7115728307 is a deficient number, since it is larger than the sum of its proper divisors (1).

7115728307 is an equidigital number, since it uses as much as digits as its factorization.

7115728307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 7115728307 is about 84354.7764326360. The cubic root of 7115728307 is about 1923.4155338303.

The spelling of 7115728307 in words is "seven billion, one hundred fifteen million, seven hundred twenty-eight thousand, three hundred seven".