97669841 has 2 divisors, whose sum is σ = 97669842. Its totient is φ = 97669840.

The previous prime is 97669711. The next prime is 97669843. The reversal of 97669841 is 14896679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 450241 = 9860^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 97669841 - 2²⁶ = 30560977 is a prime.

Together with 97669843, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97669841.

It is not a weakly prime, because it can be changed into another prime (97669843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48834920 + 48834921.

It is an arithmetic number, because the mean of its divisors is an integer number (48834921).

Almost surely, 2^97669841 is an apocalyptic number.

It is an amenable number.

97669841 is a deficient number, since it is larger than the sum of its proper divisors (1).

97669841 is an equidigital number, since it uses as much as digits as its factorization.

97669841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 97669841 is about 9882.8053203531. The cubic root of 97669841 is about 460.5252993992.

The spelling of 97669841 in words is "ninety-seven million, six hundred sixty-nine thousand, eight hundred forty-one".