65069880 has 128 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 16148480.

The previous prime is 65069821. The next prime is 65069891. The reversal of 65069880 is 8896056.

65069880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 340585 + ... + 340775.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^65069880 is an apocalyptic number.

65069880 is a gapful number since it is divisible by the number (60) 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 65069880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104509440).

65069880 is an abundant number, since it is smaller than the sum of its proper divisors (143949000).

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

65069880 is a wasteful number, since it uses less digits than its factorization.

65069880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 65069880 is about 8066.5903577658. The cubic root of 65069880 is about 402.2166105710.

The spelling of 65069880 in words is "sixty-five million, sixty-nine thousand, eight hundred eighty".