65320087009 has 8 divisors (see below), whose sum is σ = 70002256320. Its totient is φ = 60791431536.

The previous prime is 65320086989. The next prime is 65320087031. The reversal of 65320087009 is 90078002356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65320087009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65320087409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38377579 + ... + 38379280.

It is an arithmetic number, because the mean of its divisors is an integer number (8750282040).

Almost surely, 2^65320087009 is an apocalyptic number.

It is an amenable number.

65320087009 is a deficient number, since it is larger than the sum of its proper divisors (4682169311).

65320087009 is a wasteful number, since it uses less digits than its factorization.

65320087009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76756919.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 65320087009 in words is "sixty-five billion, three hundred twenty million, eighty-seven thousand, nine".