97797568 has 28 divisors (see below), whose sum is σ = 211711032. Its totient is φ = 44453120.

The previous prime is 97797551. The next prime is 97797569. The reversal of 97797568 is 86579779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97797569) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68755 + ... + 70162.

Almost surely, 2^97797568 is an apocalyptic number.

It is an amenable number.

97797568 is an abundant number, since it is smaller than the sum of its proper divisors (113913464).

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

97797568 is a wasteful number, since it uses less digits than its factorization.

97797568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138940 (or 138930 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 58.

The square root of 97797568 is about 9889.2652912135. The cubic root of 97797568 is about 460.7259614521.

The spelling of 97797568 in words is "ninety-seven million, seven hundred ninety-seven thousand, five hundred sixty-eight".