997068211 has 2 divisors, whose sum is σ = 997068212. Its totient is φ = 997068210.

The previous prime is 997068203. The next prime is 997068223. The reversal of 997068211 is 112860799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997068211 - 2³ = 997068203 is a prime.

It is not a weakly prime, because it can be changed into another prime (997063211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498534105 + 498534106.

It is an arithmetic number, because the mean of its divisors is an integer number (498534106).

Almost surely, 2^997068211 is an apocalyptic number.

997068211 is a deficient number, since it is larger than the sum of its proper divisors (1).

997068211 is an equidigital number, since it uses as much as digits as its factorization.

997068211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 997068211 is about 31576.3869212423. The cubic root of 997068211 is about 999.0217803984.

The spelling of 997068211 in words is "nine hundred ninety-seven million, sixty-eight thousand, two hundred eleven".