7552784622289 has 9 divisors (see below), whose sum is σ = 7678800975729. Its totient is φ = 7428803586960.

The previous prime is 7552784622281. The next prime is 7552784622293. The reversal of 7552784622289 is 9822264872557.

The square root of 7552784622289 is 2748233.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1208471483025 + 6344313139264 = 1099305^2 + 2518792^2 .

It is not a de Polignac number, because 7552784622289 - 2³ = 7552784622281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7552784622281) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 167619687 + ... + 167664739.

Almost surely, 2^{7552784622289} is an apocalyptic number.

7552784622289 is the 2748233-rd square number.

7552784622289 is the 1374117-th centered octagonal number.

It is an amenable number.

7552784622289 is a deficient number, since it is larger than the sum of its proper divisors (126016353440).

7552784622289 is an frugal number, since it uses more digits than its factorization.

7552784622289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90228 (or 45114 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 67.

The spelling of 7552784622289 in words is "seven trillion, five hundred fifty-two billion, seven hundred eighty-four million, six hundred twenty-two thousand, two hundred eighty-nine".