65884992 has 56 divisors (see below), whose sum is σ = 174955200. Its totient is φ = 21881856.

The previous prime is 65884967. The next prime is 65884997. The reversal of 65884992 is 29948856.

65884992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65884997) 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, 78109 + ... + 78947.

It is an arithmetic number, because the mean of its divisors is an integer number (3124200).

Almost surely, 2^65884992 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 65884992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87477600).

65884992 is an abundant number, since it is smaller than the sum of its proper divisors (109070208).

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

65884992 is a wasteful number, since it uses less digits than its factorization.

65884992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1253 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 65884992 is about 8116.9570653047. The cubic root of 65884992 is about 403.8891307704.

The spelling of 65884992 in words is "sixty-five million, eight hundred eighty-four thousand, nine hundred ninety-two".