97638668 has 12 divisors (see below), whose sum is σ = 173208840. Its totient is φ = 48150432.

The previous prime is 97638649. The next prime is 97638691. The reversal of 97638668 is 86683679.

It is an unprimeable number.

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, 166898 + ... + 167481.

It is an arithmetic number, because the mean of its divisors is an integer number (14434070).

Almost surely, 2^97638668 is an apocalyptic number.

It is an amenable number.

97638668 is a deficient number, since it is larger than the sum of its proper divisors (75570172).

97638668 is a wasteful number, since it uses less digits than its factorization.

97638668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334456 (or 334454 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 97638668 is about 9881.2280613292. The cubic root of 97638668 is about 460.4762993442.

The spelling of 97638668 in words is "ninety-seven million, six hundred thirty-eight thousand, six hundred sixty-eight".