9775553089 has 2 divisors, whose sum is σ = 9775553090. Its totient is φ = 9775553088.

The previous prime is 9775552999. The next prime is 9775553153. The reversal of 9775553089 is 9803555779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9410552064 + 365001025 = 97008^2 + 19105^2 .

It is a cyclic number.

It is not a de Polignac number, because 9775553089 - 2¹¹ = 9775551041 is a prime.

It is a super-2 number, since 2×9775553089² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9776553089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887776544 + 4887776545.

It is an arithmetic number, because the mean of its divisors is an integer number (4887776545).

Almost surely, 2^9775553089 is an apocalyptic number.

It is an amenable number.

9775553089 is a deficient number, since it is larger than the sum of its proper divisors (1).

9775553089 is an equidigital number, since it uses as much as digits as its factorization.

9775553089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907000, while the sum is 58.

The square root of 9775553089 is about 98871.3967181611. The cubic root of 9775553089 is about 2138.1940312044.

The spelling of 9775553089 in words is "nine billion, seven hundred seventy-five million, five hundred fifty-three thousand, eighty-nine".