63703278812 has 12 divisors (see below), whose sum is σ = 117348145320. Its totient is φ = 30175237296.

The previous prime is 63703278811. The next prime is 63703278851. The reversal of 63703278812 is 21887230736.

63703278812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63703278811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419100443 + ... + 419100594.

It is an arithmetic number, because the mean of its divisors is an integer number (9779012110).

Almost surely, 2^63703278812 is an apocalyptic number.

It is an amenable number.

63703278812 is a deficient number, since it is larger than the sum of its proper divisors (53644866508).

63703278812 is a wasteful number, since it uses less digits than its factorization.

63703278812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838201060 (or 838201058 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 63703278812 in words is "sixty-three billion, seven hundred three million, two hundred seventy-eight thousand, eight hundred twelve".