97143743668 has 12 divisors (see below), whose sum is σ = 172788462532. Its totient is φ = 47775611520.

The previous prime is 97143743651. The next prime is 97143743689. The reversal of 97143743668 is 86634734179.

It can be written as a sum of positive squares in 2 ways, for example, as 40627239844 + 56516503824 = 201562^2 + 237732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199064805 + ... + 199065292.

Almost surely, 2^97143743668 is an apocalyptic number.

It is an amenable number.

97143743668 is a deficient number, since it is larger than the sum of its proper divisors (75644718864).

97143743668 is a wasteful number, since it uses less digits than its factorization.

97143743668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398130162 (or 398130160 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 58.

The spelling of 97143743668 in words is "ninety-seven billion, one hundred forty-three million, seven hundred forty-three thousand, six hundred sixty-eight".