9279620947 has 2 divisors, whose sum is σ = 9279620948. Its totient is φ = 9279620946.

The previous prime is 9279620923. The next prime is 9279620971. The reversal of 9279620947 is 7490269729.

9279620947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (9279620923) and next prime (9279620971).

It is an emirp because it is prime and its reverse (7490269729) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9279620947 - 2¹¹ = 9279618899 is a prime.

It is a super-2 number, since 2×9279620947² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9279600947) 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, 4639810473 + 4639810474.

It is an arithmetic number, because the mean of its divisors is an integer number (4639810474).

Almost surely, 2^9279620947 is an apocalyptic number.

9279620947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9279620947 is an equidigital number, since it uses as much as digits as its factorization.

9279620947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 9279620947 is about 96330.7891953554. The cubic root of 9279620947 is about 2101.4065367075.

The spelling of 9279620947 in words is "nine billion, two hundred seventy-nine million, six hundred twenty thousand, nine hundred forty-seven".