65628506875 has 10 divisors (see below), whose sum is σ = 82009382972. Its totient is φ = 52502805000.

The previous prime is 65628506831. The next prime is 65628506893. The reversal of 65628506875 is 57860582656.

It is not a de Polignac number, because 65628506875 - 2¹⁷ = 65628375803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52502181 + ... + 52503430.

Almost surely, 2^65628506875 is an apocalyptic number.

65628506875 is a deficient number, since it is larger than the sum of its proper divisors (16380876097).

65628506875 is an equidigital number, since it uses as much as digits as its factorization.

65628506875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005631 (or 105005616 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 65628506875 in words is "sixty-five billion, six hundred twenty-eight million, five hundred six thousand, eight hundred seventy-five".