65765477275 has 6 divisors (see below), whose sum is σ = 81549191852. Its totient is φ = 52612381800.

The previous prime is 65765477273. The next prime is 65765477329. The reversal of 65765477275 is 57277456756.

It is not a de Polignac number, because 65765477275 - 2¹ = 65765477273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65765477273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1315309521 + ... + 1315309570.

Almost surely, 2^65765477275 is an apocalyptic number.

65765477275 is a deficient number, since it is larger than the sum of its proper divisors (15783714577).

65765477275 is a wasteful number, since it uses less digits than its factorization.

65765477275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630619101 (or 2630619096 counting only the distinct ones).

The product of its digits is 86436000, while the sum is 61.

The spelling of 65765477275 in words is "sixty-five billion, seven hundred sixty-five million, four hundred seventy-seven thousand, two hundred seventy-five".