65065808 has 10 divisors (see below), whose sum is σ = 126065034. Its totient is φ = 32532896.

The previous prime is 65065801. The next prime is 65065829. The reversal of 65065808 is 80856056.

It can be written as a sum of positive squares in only one way, i.e., 58553104 + 6512704 = 7652^2 + 2552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65065801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033291 + ... + 2033322.

Almost surely, 2^65065808 is an apocalyptic number.

It is an amenable number.

65065808 is a deficient number, since it is larger than the sum of its proper divisors (60999226).

65065808 is a wasteful number, since it uses less digits than its factorization.

65065808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066621 (or 4066615 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 65065808 is about 8066.3379547351. The cubic root of 65065808 is about 402.2082203081.

The spelling of 65065808 in words is "sixty-five million, sixty-five thousand, eight hundred eight".