97197338673 has 12 divisors (see below), whose sum is σ = 140420433348. Its totient is φ = 64787020800.

The previous prime is 97197338639. The next prime is 97197338699. The reversal of 97197338673 is 37683379179.

It can be written as a sum of positive squares in 2 ways, for example, as 54169304049 + 43028034624 = 232743^2 + 207432^2 .

It is not a de Polignac number, because 97197338673 - 2²⁰ = 97196290097 is a prime.

It is a super-2 number, since 2×97197338673² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97197338673.

It is not an unprimeable number, because it can be changed into a prime (97197338473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878640 + ... + 983057.

It is an arithmetic number, because the mean of its divisors is an integer number (11701702779).

Almost surely, 2^97197338673 is an apocalyptic number.

It is an amenable number.

97197338673 is a deficient number, since it is larger than the sum of its proper divisors (43223094675).

97197338673 is a wasteful number, since it uses less digits than its factorization.

97197338673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867504 (or 1867501 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 63.

The spelling of 97197338673 in words is "ninety-seven billion, one hundred ninety-seven million, three hundred thirty-eight thousand, six hundred seventy-three".