9775225779 has 32 divisors (see below), whose sum is σ = 14719760640. Its totient is φ = 5715830400.

The previous prime is 9775225763. The next prime is 9775225793.

9775225779 is nontrivially palindromic in base 10.

9775225779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9775225779 - 2⁴ = 9775225763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9775225729) 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 in 31 ways as a sum of consecutive naturals, for example, 1663204 + ... + 1669070.

It is an arithmetic number, because the mean of its divisors is an integer number (459992520).

Almost surely, 2^9775225779 is an apocalyptic number.

9775225779 is a deficient number, since it is larger than the sum of its proper divisors (4944534861).

9775225779 is a wasteful number, since it uses less digits than its factorization.

9775225779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651.

The product of its digits is 19448100, while the sum is 60.

The square root of 9775225779 is about 98869.7414733143. The cubic root of 9775225779 is about 2138.1701669076.

The spelling of 9775225779 in words is "nine billion, seven hundred seventy-five million, two hundred twenty-five thousand, seven hundred seventy-nine".