65289875217 has 24 divisors (see below), whose sum is σ = 104532579072. Its totient is φ = 36104997600.

The previous prime is 65289875191. The next prime is 65289875227. The reversal of 65289875217 is 71257898256.

It is not a de Polignac number, because 65289875217 - 2¹⁴ = 65289858833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65289875227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7159134 + ... + 7168247.

It is an arithmetic number, because the mean of its divisors is an integer number (4355524128).

Almost surely, 2^65289875217 is an apocalyptic number.

It is an amenable number.

65289875217 is a deficient number, since it is larger than the sum of its proper divisors (39242703855).

65289875217 is a wasteful number, since it uses less digits than its factorization.

65289875217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327429 (or 14327422 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 60.

It can be divided in two parts, 65289 and 875217, that added together give a triangular number (940506 = T₁₃₇₁).

The spelling of 65289875217 in words is "sixty-five billion, two hundred eighty-nine million, eight hundred seventy-five thousand, two hundred seventeen".