97996111 has 2 divisors, whose sum is σ = 97996112. Its totient is φ = 97996110.

The previous prime is 97996069. The next prime is 97996141. The reversal of 97996111 is 11169979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97996111 - 2⁷ = 97995983 is a prime.

It is a super-2 number, since 2×97996111² = 19206475542248642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97996141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48998055 + 48998056.

It is an arithmetic number, because the mean of its divisors is an integer number (48998056).

Almost surely, 2^97996111 is an apocalyptic number.

97996111 is a deficient number, since it is larger than the sum of its proper divisors (1).

97996111 is an equidigital number, since it uses as much as digits as its factorization.

97996111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 43.

The square root of 97996111 is about 9899.2985105006. The cubic root of 97996111 is about 461.0375304902.

The spelling of 97996111 in words is "ninety-seven million, nine hundred ninety-six thousand, one hundred eleven".