65880507239 has 4 divisors (see below), whose sum is σ = 66559687824. Its totient is φ = 65201326656.

The previous prime is 65880507221. The next prime is 65880507247. The reversal of 65880507239 is 93270508856.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65880507239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65880507289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339590147 + ... + 339590340.

It is an arithmetic number, because the mean of its divisors is an integer number (16639921956).

Almost surely, 2^65880507239 is an apocalyptic number.

65880507239 is a deficient number, since it is larger than the sum of its proper divisors (679180585).

65880507239 is an equidigital number, since it uses as much as digits as its factorization.

65880507239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679180584.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 65880507239 in words is "sixty-five billion, eight hundred eighty million, five hundred seven thousand, two hundred thirty-nine".