65069928856 has 32 divisors (see below), whose sum is σ = 123898371840. Its totient is φ = 32030922528.

The previous prime is 65069928851. The next prime is 65069928883. The reversal of 65069928856 is 65882996056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65069928851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921645 + ... + 989731.

It is an arithmetic number, because the mean of its divisors is an integer number (3871824120).

Almost surely, 2^65069928856 is an apocalyptic number.

It is an amenable number.

65069928856 is a deficient number, since it is larger than the sum of its proper divisors (58828442984).

65069928856 is a wasteful number, since it uses less digits than its factorization.

65069928856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69943 (or 69939 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 64.

The spelling of 65069928856 in words is "sixty-five billion, sixty-nine million, nine hundred twenty-eight thousand, eight hundred fifty-six".