7116220357 has 2 divisors, whose sum is σ = 7116220358. Its totient is φ = 7116220356.

The previous prime is 7116220339. The next prime is 7116220367. The reversal of 7116220357 is 7530226117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7004685636 + 111534721 = 83694^2 + 10561^2 .

It is an emirp because it is prime and its reverse (7530226117) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7116220357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7116220367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3558110178 + 3558110179.

It is an arithmetic number, because the mean of its divisors is an integer number (3558110179).

Almost surely, 2^7116220357 is an apocalyptic number.

It is an amenable number.

7116220357 is a deficient number, since it is larger than the sum of its proper divisors (1).

7116220357 is an equidigital number, since it uses as much as digits as its factorization.

7116220357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7116220357 is about 84357.6929331285. The cubic root of 7116220357 is about 1923.4598673011.

It can be divided in two parts, 71162 and 20357, that added together give a palindrome (91519).

The spelling of 7116220357 in words is "seven billion, one hundred sixteen million, two hundred twenty thousand, three hundred fifty-seven".