97968575 has 6 divisors (see below), whose sum is σ = 121481064. Its totient is φ = 78374840.

The previous prime is 97968571. The next prime is 97968589. The reversal of 97968575 is 57586979.

It is not a de Polignac number, because 97968575 - 2² = 97968571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97968575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97968571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1959347 + ... + 1959396.

It is an arithmetic number, because the mean of its divisors is an integer number (20246844).

Almost surely, 2^97968575 is an apocalyptic number.

97968575 is a deficient number, since it is larger than the sum of its proper divisors (23512489).

97968575 is a wasteful number, since it uses less digits than its factorization.

97968575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918753 (or 3918748 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 56.

The square root of 97968575 is about 9897.9076071663. The cubic root of 97968575 is about 460.9943440190.

The spelling of 97968575 in words is "ninety-seven million, nine hundred sixty-eight thousand, five hundred seventy-five".