97656743 has 2 divisors, whose sum is σ = 97656744. Its totient is φ = 97656742.

The previous prime is 97656731. The next prime is 97656809. The reversal of 97656743 is 34765679.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97656743 - 2⁸ = 97656487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97656703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48828371 + 48828372.

It is an arithmetic number, because the mean of its divisors is an integer number (48828372).

Almost surely, 2^97656743 is an apocalyptic number.

97656743 is a deficient number, since it is larger than the sum of its proper divisors (1).

97656743 is an equidigital number, since it uses as much as digits as its factorization.

97656743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The square root of 97656743 is about 9882.1426320409. The cubic root of 97656743 is about 460.5047122525.

The spelling of 97656743 in words is "ninety-seven million, six hundred fifty-six thousand, seven hundred forty-three".