65759480257 has 8 divisors (see below), whose sum is σ = 69926520456. Its totient is φ = 61625644032.

The previous prime is 65759480249. The next prime is 65759480279. The reversal of 65759480257 is 75208495756.

It can be written as a sum of positive squares in 4 ways, for example, as 3850078401 + 61909401856 = 62049^2 + 248816^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65759480257 - 2³ = 65759480249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65759480357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8296908 + ... + 8304829.

It is an arithmetic number, because the mean of its divisors is an integer number (8740815057).

Almost surely, 2^65759480257 is an apocalyptic number.

It is an amenable number.

65759480257 is a deficient number, since it is larger than the sum of its proper divisors (4167040199).

65759480257 is a wasteful number, since it uses less digits than its factorization.

65759480257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16601987.

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 65759480257 in words is "sixty-five billion, seven hundred fifty-nine million, four hundred eighty thousand, two hundred fifty-seven".