63128707763 has 16 divisors (see below), whose sum is σ = 69263603712. Its totient is φ = 57060696000.

The previous prime is 63128707709. The next prime is 63128707877. The reversal of 63128707763 is 36770782136.

It is not a de Polignac number, because 63128707763 - 2⁶ = 63128707699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63128707703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409078 + ... + 1453188.

It is an arithmetic number, because the mean of its divisors is an integer number (4328975232).

Almost surely, 2^63128707763 is an apocalyptic number.

63128707763 is a deficient number, since it is larger than the sum of its proper divisors (6134895949).

63128707763 is a wasteful number, since it uses less digits than its factorization.

63128707763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44866.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 63128707763 in words is "sixty-three billion, one hundred twenty-eight million, seven hundred seven thousand, seven hundred sixty-three".