97650223 has 4 divisors (see below), whose sum is σ = 106527528. Its totient is φ = 88772920.

The previous prime is 97650211. The next prime is 97650229. The reversal of 97650223 is 32205679.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32205679 = 11 ⋅2927789.

It is a cyclic number.

It is not a de Polignac number, because 97650223 - 2⁹ = 97649711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97650229) 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 in 3 ways as a sum of consecutive naturals, for example, 4438636 + ... + 4438657.

It is an arithmetic number, because the mean of its divisors is an integer number (26631882).

Almost surely, 2^97650223 is an apocalyptic number.

97650223 is a deficient number, since it is larger than the sum of its proper divisors (8877305).

97650223 is a wasteful number, since it uses less digits than its factorization.

97650223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877304.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 97650223 is about 9881.8127385617. The cubic root of 97650223 is about 460.4944635745.

The spelling of 97650223 in words is "ninety-seven million, six hundred fifty thousand, two hundred twenty-three".