97687243 has 2 divisors, whose sum is σ = 97687244. Its totient is φ = 97687242.

The previous prime is 97687241. The next prime is 97687313. The reversal of 97687243 is 34278679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97687243 - 2¹ = 97687241 is a prime.

Together with 97687241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 97687193 and 97687202.

It is not a weakly prime, because it can be changed into another prime (97687241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48843621 + 48843622.

It is an arithmetic number, because the mean of its divisors is an integer number (48843622).

Almost surely, 2^97687243 is an apocalyptic number.

97687243 is a deficient number, since it is larger than the sum of its proper divisors (1).

97687243 is an equidigital number, since it uses as much as digits as its factorization.

97687243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 97687243 is about 9883.6856991711. The cubic root of 97687243 is about 460.5526486309.

The spelling of 97687243 in words is "ninety-seven million, six hundred eighty-seven thousand, two hundred forty-three".