97027691 has 2 divisors, whose sum is σ = 97027692. Its totient is φ = 97027690.

The previous prime is 97027681. The next prime is 97027709. The reversal of 97027691 is 19672079.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97027691 - 2²² = 92833387 is a prime.

It is not a weakly prime, because it can be changed into another prime (97027621) 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, 48513845 + 48513846.

It is an arithmetic number, because the mean of its divisors is an integer number (48513846).

Almost surely, 2^97027691 is an apocalyptic number.

97027691 is a deficient number, since it is larger than the sum of its proper divisors (1).

97027691 is an equidigital number, since it uses as much as digits as its factorization.

97027691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 97027691 is about 9850.2634990136. The cubic root of 97027691 is about 459.5138073503.

The spelling of 97027691 in words is "ninety-seven million, twenty-seven thousand, six hundred ninety-one".