97928064 has 144 divisors (see below), whose sum is σ = 305749080. Its totient is φ = 30071808.

The previous prime is 97928057. The next prime is 97928081. The reversal of 97928064 is 46082979.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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 17 ways as a sum of consecutive naturals, for example, 194437 + ... + 194939.

Almost surely, 2^97928064 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 97928064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152874540).

97928064 is an abundant number, since it is smaller than the sum of its proper divisors (207821016).

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

97928064 is a wasteful number, since it uses less digits than its factorization.

97928064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 97928064 is about 9895.8609529439. The cubic root of 97928064 is about 460.9307933120.

The spelling of 97928064 in words is "ninety-seven million, nine hundred twenty-eight thousand, sixty-four".