97917136 has 10 divisors (see below), whose sum is σ = 189714482. Its totient is φ = 48958560.

The previous prime is 97917107. The next prime is 97917191. The reversal of 97917136 is 63171979.

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 34810000 = 7944^2 + 5900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97917092 and 97917101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059895 + ... + 3059926.

Almost surely, 2^97917136 is an apocalyptic number.

It is an amenable number.

97917136 is a deficient number, since it is larger than the sum of its proper divisors (91797346).

97917136 is a wasteful number, since it uses less digits than its factorization.

97917136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119829 (or 6119823 counting only the distinct ones).

The product of its digits is 71442, while the sum is 43.

The square root of 97917136 is about 9895.3087875013. The cubic root of 97917136 is about 460.9136472598.

The spelling of 97917136 in words is "ninety-seven million, nine hundred seventeen thousand, one hundred thirty-six".