65275275228 has 12 divisors (see below), whose sum is σ = 152308975560. Its totient is φ = 21758425072.

The previous prime is 65275275227. The next prime is 65275275259. The reversal of 65275275228 is 82257257256.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65275275227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719803123 + ... + 2719803146.

It is an arithmetic number, because the mean of its divisors is an integer number (12692414630).

Almost surely, 2^65275275228 is an apocalyptic number.

It is an amenable number.

65275275228 is an abundant number, since it is smaller than the sum of its proper divisors (87033700332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65275275228 is a wasteful number, since it uses less digits than its factorization.

65275275228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439606276 (or 5439606274 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 51.

The spelling of 65275275228 in words is "sixty-five billion, two hundred seventy-five million, two hundred seventy-five thousand, two hundred twenty-eight".