65065879999 has 2 divisors, whose sum is σ = 65065880000. Its totient is φ = 65065879998.

The previous prime is 65065879987. The next prime is 65065880029. The reversal of 65065879999 is 99997856056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65065879999 - 2¹³ = 65065871807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65065879399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32532939999 + 32532940000.

It is an arithmetic number, because the mean of its divisors is an integer number (32532940000).

Almost surely, 2^65065879999 is an apocalyptic number.

65065879999 is a deficient number, since it is larger than the sum of its proper divisors (1).

65065879999 is an equidigital number, since it uses as much as digits as its factorization.

65065879999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 330674400, while the sum is 73.

The spelling of 65065879999 in words is "sixty-five billion, sixty-five million, eight hundred seventy-nine thousand, nine hundred ninety-nine".