97668547 has 2 divisors, whose sum is σ = 97668548. Its totient is φ = 97668546.

The previous prime is 97668539. The next prime is 97668577. The reversal of 97668547 is 74586679.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97668547 - 2³ = 97668539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97668494 and 97668503.

It is not a weakly prime, because it can be changed into another prime (97668517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48834273 + 48834274.

It is an arithmetic number, because the mean of its divisors is an integer number (48834274).

Almost surely, 2^97668547 is an apocalyptic number.

97668547 is a deficient number, since it is larger than the sum of its proper divisors (1).

97668547 is an equidigital number, since it uses as much as digits as its factorization.

97668547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 97668547 is about 9882.7398528950. The cubic root of 97668547 is about 460.5232656005.

The spelling of 97668547 in words is "ninety-seven million, six hundred sixty-eight thousand, five hundred forty-seven".