997600267 has 2 divisors, whose sum is σ = 997600268. Its totient is φ = 997600266.

The previous prime is 997600237. The next prime is 997600271. The reversal of 997600267 is 762006799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997600267 - 2⁷ = 997600139 is a prime.

It is not a weakly prime, because it can be changed into another prime (997600207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498800133 + 498800134.

It is an arithmetic number, because the mean of its divisors is an integer number (498800134).

Almost surely, 2^997600267 is an apocalyptic number.

997600267 is a deficient number, since it is larger than the sum of its proper divisors (1).

997600267 is an equidigital number, since it uses as much as digits as its factorization.

997600267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 997600267 is about 31584.8107007150. The cubic root of 997600267 is about 999.1994482880.

The spelling of 997600267 in words is "nine hundred ninety-seven million, six hundred thousand, two hundred sixty-seven".