97197568 has 80 divisors (see below), whose sum is σ = 221704560. Its totient is φ = 42172416.

The previous prime is 97197497. The next prime is 97197599. The reversal of 97197568 is 86579179.

It is a happy number.

It is a super-2 number, since 2×97197568² = 18894734450229248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112723 + ... + 113581.

It is an arithmetic number, because the mean of its divisors is an integer number (2771307).

Almost surely, 2^97197568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97197568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110852280).

97197568 is an abundant number, since it is smaller than the sum of its proper divisors (124506992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97197568 is a wasteful number, since it uses less digits than its factorization.

97197568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 891 counting only the distinct ones).

The product of its digits is 952560, while the sum is 52.

The square root of 97197568 is about 9858.8826953159. The cubic root of 97197568 is about 459.7818247035.

The spelling of 97197568 in words is "ninety-seven million, one hundred ninety-seven thousand, five hundred sixty-eight".