65628373275 has 18 divisors (see below), whose sum is σ = 117547708980. Its totient is φ = 35001798960.

The previous prime is 65628373267. The next prime is 65628373289. The reversal of 65628373275 is 57237382656.

It is a happy number.

65628373275 is a `hidden beast` number, since 6 + 5 + 628 + 3 + 7 + 3 + 2 + 7 + 5 = 666.

It is not a de Polignac number, because 65628373275 - 2³ = 65628373267 is a prime.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 145840605 + ... + 145841054.

Almost surely, 2^65628373275 is an apocalyptic number.

65628373275 is a deficient number, since it is larger than the sum of its proper divisors (51919335705).

65628373275 is a wasteful number, since it uses less digits than its factorization.

65628373275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291681675 (or 291681667 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 65628373275 in words is "sixty-five billion, six hundred twenty-eight million, three hundred seventy-three thousand, two hundred seventy-five".