97173616228 has 72 divisors (see below), whose sum is σ = 192302244288. Its totient is φ = 42864801408.

The previous prime is 97173616219. The next prime is 97173616231. The reversal of 97173616228 is 82261637179.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34250826 + ... + 34253662.

It is an arithmetic number, because the mean of its divisors is an integer number (2670864504).

Almost surely, 2^97173616228 is an apocalyptic number.

It is an amenable number.

97173616228 is a deficient number, since it is larger than the sum of its proper divisors (95128628060).

97173616228 is a wasteful number, since it uses less digits than its factorization.

97173616228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093 (or 5078 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The spelling of 97173616228 in words is "ninety-seven billion, one hundred seventy-three million, six hundred sixteen thousand, two hundred twenty-eight".