97995138 has 16 divisors (see below), whose sum is σ = 198916320. Its totient is φ = 32177376.

The previous prime is 97995133. The next prime is 97995187. The reversal of 97995138 is 83159979.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97995133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121483 + ... + 122286.

It is an arithmetic number, because the mean of its divisors is an integer number (12432270).

Almost surely, 2^97995138 is an apocalyptic number.

97995138 is an abundant number, since it is smaller than the sum of its proper divisors (100921182).

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

97995138 is a wasteful number, since it uses less digits than its factorization.

97995138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243841.

The product of its digits is 612360, while the sum is 51.

The square root of 97995138 is about 9899.2493654822. The cubic root of 97995138 is about 461.0360046099.

The spelling of 97995138 in words is "ninety-seven million, nine hundred ninety-five thousand, one hundred thirty-eight".