65272798768265 has 64 divisors (see below), whose sum is σ = 88740051738624. Its totient is φ = 45661553280000.

The previous prime is 65272798768129. The next prime is 65272798768271. The reversal of 65272798768265 is 56286789727256.

It is not a de Polignac number, because 65272798768265 - 2²⁴ = 65272781991049 is a prime.

It is a super-2 number, since 2×65272798768265² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65272798768265.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214751450 + ... + 215055180.

It is an arithmetic number, because the mean of its divisors is an integer number (1386563308416).

Almost surely, 2^{65272798768265} is an apocalyptic number.

It is an amenable number.

65272798768265 is a deficient number, since it is larger than the sum of its proper divisors (23467252970359).

65272798768265 is a wasteful number, since it uses less digits than its factorization.

65272798768265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304542.

The product of its digits is 8534937600, while the sum is 80.

The spelling of 65272798768265 in words is "sixty-five trillion, two hundred seventy-two billion, seven hundred ninety-eight million, seven hundred sixty-eight thousand, two hundred sixty-five".