97668401 has 2 divisors, whose sum is σ = 97668402. Its totient is φ = 97668400.

The previous prime is 97668343. The next prime is 97668407. The reversal of 97668401 is 10486679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 8271376 = 9455^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 97668401 - 2²² = 93474097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97668407) 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, 48834200 + 48834201.

It is an arithmetic number, because the mean of its divisors is an integer number (48834201).

Almost surely, 2^97668401 is an apocalyptic number.

It is an amenable number.

97668401 is a deficient number, since it is larger than the sum of its proper divisors (1).

97668401 is an equidigital number, since it uses as much as digits as its factorization.

97668401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 97668401 is about 9882.7324662767. The cubic root of 97668401 is about 460.5230361291.

The spelling of 97668401 in words is "ninety-seven million, six hundred sixty-eight thousand, four hundred one".