97888447 has 2 divisors, whose sum is σ = 97888448. Its totient is φ = 97888446.

The previous prime is 97888429. The next prime is 97888459. The reversal of 97888447 is 74488879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97888447 - 2⁷ = 97888319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97888487) 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, 48944223 + 48944224.

It is an arithmetic number, because the mean of its divisors is an integer number (48944224).

Almost surely, 2^97888447 is an apocalyptic number.

97888447 is a deficient number, since it is larger than the sum of its proper divisors (1).

97888447 is an equidigital number, since it uses as much as digits as its factorization.

97888447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The square root of 97888447 is about 9893.8590549896. The cubic root of 97888447 is about 460.8686280943.

The spelling of 97888447 in words is "ninety-seven million, eight hundred eighty-eight thousand, four hundred forty-seven".