63117021406727 has 16 divisors (see below), whose sum is σ = 64798168040928. Its totient is φ = 61461435340800.

The previous prime is 63117021406711. The next prime is 63117021406739. The reversal of 63117021406727 is 72760412071136.

It is a cyclic number.

It is not a de Polignac number, because 63117021406727 - 2⁴ = 63117021406711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63117021406427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9522773 + ... + 14728110.

It is an arithmetic number, because the mean of its divisors is an integer number (4049885502558).

Almost surely, 2^{63117021406727} is an apocalyptic number.

63117021406727 is a deficient number, since it is larger than the sum of its proper divisors (1681146634201).

63117021406727 is a wasteful number, since it uses less digits than its factorization.

63117021406727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24251410.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 63117021406727 in words is "sixty-three trillion, one hundred seventeen billion, twenty-one million, four hundred six thousand, seven hundred twenty-seven".