63191006875 has 20 divisors (see below), whose sum is σ = 78979249800. Its totient is φ = 50542712000.

The previous prime is 63191006849. The next prime is 63191006881. The reversal of 63191006875 is 57860019136.

It is a happy number.

It is not a de Polignac number, because 63191006875 - 2¹⁵ = 63190974107 is a prime.

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, 5750136 + ... + 5761114.

It is an arithmetic number, because the mean of its divisors is an integer number (3948962490).

Almost surely, 2^63191006875 is an apocalyptic number.

63191006875 is a deficient number, since it is larger than the sum of its proper divisors (15788242925).

63191006875 is an equidigital number, since it uses as much as digits as its factorization.

63191006875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20208 (or 20193 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 63191006875 in words is "sixty-three billion, one hundred ninety-one million, six thousand, eight hundred seventy-five".