97997267 has 2 divisors, whose sum is σ = 97997268. Its totient is φ = 97997266.

The previous prime is 97997243. The next prime is 97997279. The reversal of 97997267 is 76279979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97997267 - 2¹² = 97993171 is a prime.

It is a super-3 number, since 3×97997267³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (97997167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48998633 + 48998634.

It is an arithmetic number, because the mean of its divisors is an integer number (48998634).

Almost surely, 2^97997267 is an apocalyptic number.

97997267 is a deficient number, since it is larger than the sum of its proper divisors (1).

97997267 is an equidigital number, since it uses as much as digits as its factorization.

97997267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000564, while the sum is 56.

The square root of 97997267 is about 9899.3568983041. The cubic root of 97997267 is about 461.0393433421.

The spelling of 97997267 in words is "ninety-seven million, nine hundred ninety-seven thousand, two hundred sixty-seven".