97569216 has 84 divisors (see below), whose sum is σ = 281251152. Its totient is φ = 32338944.

The previous prime is 97569209. The next prime is 97569229. The reversal of 97569216 is 61296579.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 133845 + ... + 134571.

It is an arithmetic number, because the mean of its divisors is an integer number (3348228).

Almost surely, 2^97569216 is an apocalyptic number.

97569216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97569216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140625576).

97569216 is an abundant number, since it is smaller than the sum of its proper divisors (183681936).

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

97569216 is a wasteful number, since it uses less digits than its factorization.

97569216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 965 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 97569216 is about 9877.7130956512. The cubic root of 97569216 is about 460.3670919763.

The spelling of 97569216 in words is "ninety-seven million, five hundred sixty-nine thousand, two hundred sixteen".