65765439308 has 12 divisors (see below), whose sum is σ = 115147688040. Its totient is φ = 32866099872.

The previous prime is 65765439283. The next prime is 65765439319. The reversal of 65765439308 is 80393456756.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146041 + ... + 4161872.

It is an arithmetic number, because the mean of its divisors is an integer number (9595640670).

Almost surely, 2^65765439308 is an apocalyptic number.

It is an amenable number.

65765439308 is a deficient number, since it is larger than the sum of its proper divisors (49382248732).

65765439308 is a wasteful number, since it uses less digits than its factorization.

65765439308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309896 (or 8309894 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 65765439308 in words is "sixty-five billion, seven hundred sixty-five million, four hundred thirty-nine thousand, three hundred eight".