7157725279 has 2 divisors, whose sum is σ = 7157725280. Its totient is φ = 7157725278.

The previous prime is 7157725241. The next prime is 7157725319. The reversal of 7157725279 is 9725277517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7157725279 - 2⁹ = 7157724767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7157725229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578862639 + 3578862640.

It is an arithmetic number, because the mean of its divisors is an integer number (3578862640).

Almost surely, 2^7157725279 is an apocalyptic number.

7157725279 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157725279 is an equidigital number, since it uses as much as digits as its factorization.

7157725279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160900, while the sum is 52.

The square root of 7157725279 is about 84603.3408264709. The cubic root of 7157725279 is about 1927.1921081813.

The spelling of 7157725279 in words is "seven billion, one hundred fifty-seven million, seven hundred twenty-five thousand, two hundred seventy-nine".