8997769009 has 2 divisors, whose sum is σ = 8997769010. Its totient is φ = 8997769008.

The previous prime is 8997768973. The next prime is 8997769037. The reversal of 8997769009 is 9009677998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4522159009 + 4475610000 = 67247^2 + 66900^2 .

It is a cyclic number.

It is not a de Polignac number, because 8997769009 - 2²³ = 8989380401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8997766009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4498884504 + 4498884505.

It is an arithmetic number, because the mean of its divisors is an integer number (4498884505).

Almost surely, 2^8997769009 is an apocalyptic number.

It is an amenable number.

8997769009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8997769009 is an equidigital number, since it uses as much as digits as its factorization.

8997769009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 8997769009 is about 94856.5707212737. The cubic root of 8997769009 is about 2079.9119329854.

The spelling of 8997769009 in words is "eight billion, nine hundred ninety-seven million, seven hundred sixty-nine thousand, nine".