97185856 has 56 divisors (see below), whose sum is σ = 203508864. Its totient is φ = 45957120.

The previous prime is 97185839. The next prime is 97185857. The reversal of 97185856 is 65858179.

It is not an unprimeable number, because it can be changed into a prime (97185857) 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 7 ways as a sum of consecutive naturals, for example, 151296 + ... + 151936.

Almost surely, 2^97185856 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 97185856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101754432).

97185856 is an abundant number, since it is smaller than the sum of its proper divisors (106323008).

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

97185856 is a wasteful number, since it uses less digits than its factorization.

97185856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 769 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The square root of 97185856 is about 9858.2886953061. The cubic root of 97185856 is about 459.7633565423.

The spelling of 97185856 in words is "ninety-seven million, one hundred eighty-five thousand, eight hundred fifty-six".