63606331875 has 20 divisors (see below), whose sum is σ = 105976632872. Its totient is φ = 33923376000.

The previous prime is 63606331853. The next prime is 63606331883. The reversal of 63606331875 is 57813360636.

It is not a de Polignac number, because 63606331875 - 2⁹ = 63606331363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16959814 + ... + 16963563.

Almost surely, 2^63606331875 is an apocalyptic number.

63606331875 is a deficient number, since it is larger than the sum of its proper divisors (42370300997).

63606331875 is an equidigital number, since it uses as much as digits as its factorization.

63606331875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33923400 (or 33923385 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 63606331875 in words is "sixty-three billion, six hundred six million, three hundred thirty-one thousand, eight hundred seventy-five".