97997696 has 32 divisors (see below), whose sum is σ = 201535680. Its totient is φ = 47416320.

The previous prime is 97997677. The next prime is 97997723. The reversal of 97997696 is 69679979.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8381 + ... + 16316.

It is an arithmetic number, because the mean of its divisors is an integer number (6297990).

Almost surely, 2^97997696 is an apocalyptic number.

It is an amenable number.

97997696 is an abundant number, since it is smaller than the sum of its proper divisors (103537984).

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

97997696 is a wasteful number, since it uses less digits than its factorization.

97997696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24742 (or 24730 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 62.

The square root of 97997696 is about 9899.3785663546. The cubic root of 97997696 is about 461.0400161009.

The spelling of 97997696 in words is "ninety-seven million, nine hundred ninety-seven thousand, six hundred ninety-six".