999960097 has 2 divisors, whose sum is σ = 999960098. Its totient is φ = 999960096.

The previous prime is 999960079. The next prime is 999960103. The reversal of 999960097 is 790069999.

It is a happy number.

999960097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (999960079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972878481 + 27081616 = 31191^2 + 5204^2 .

It is a cyclic number.

It is not a de Polignac number, because 999960097 - 2¹⁵ = 999927329 is a prime.

It is not a weakly prime, because it can be changed into another prime (999960037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499980048 + 499980049.

It is an arithmetic number, because the mean of its divisors is an integer number (499980049).

Almost surely, 2^999960097 is an apocalyptic number.

It is an amenable number.

999960097 is a deficient number, since it is larger than the sum of its proper divisors (1).

999960097 is an equidigital number, since it uses as much as digits as its factorization.

999960097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The square root of 999960097 is about 31622.1456735624. The cubic root of 999960097 is about 999.9866988231.

The spelling of 999960097 in words is "nine hundred ninety-nine million, nine hundred sixty thousand, ninety-seven".