63117823312 has 20 divisors (see below), whose sum is σ = 129484358676. Its totient is φ = 29702504960.

The previous prime is 63117823309. The next prime is 63117823313. The reversal of 63117823312 is 21332871136.

It can be written as a sum of positive squares in 2 ways, for example, as 52865045776 + 10252777536 = 229924^2 + 101256^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63117823313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116025139 + ... + 116025682.

Almost surely, 2^63117823312 is an apocalyptic number.

It is an amenable number.

63117823312 is an abundant number, since it is smaller than the sum of its proper divisors (66366535364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63117823312 is a wasteful number, since it uses less digits than its factorization.

63117823312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232050846 (or 232050840 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The spelling of 63117823312 in words is "sixty-three billion, one hundred seventeen million, eight hundred twenty-three thousand, three hundred twelve".