9003993797 has 2 divisors, whose sum is σ = 9003993798. Its totient is φ = 9003993796.

The previous prime is 9003993773. The next prime is 9003993827. The reversal of 9003993797 is 7973993009.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8926659361 + 77334436 = 94481^2 + 8794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9003993797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9003993727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4501996898 + 4501996899.

It is an arithmetic number, because the mean of its divisors is an integer number (4501996899).

Almost surely, 2^9003993797 is an apocalyptic number.

It is an amenable number.

9003993797 is a deficient number, since it is larger than the sum of its proper divisors (1).

9003993797 is an equidigital number, since it uses as much as digits as its factorization.

9003993797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2893401, while the sum is 56.

The square root of 9003993797 is about 94889.3766287881. The cubic root of 9003993797 is about 2080.3914602376.

The spelling of 9003993797 in words is "nine billion, three million, nine hundred ninety-three thousand, seven hundred ninety-seven".