63791812 has 24 divisors (see below), whose sum is σ = 128003904. Its totient is φ = 27249312.

The previous prime is 63791801. The next prime is 63791813. The reversal of 63791812 is 21819736.

63791812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63791813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5283 + ... + 12469.

It is an arithmetic number, because the mean of its divisors is an integer number (5333496).

Almost surely, 2^63791812 is an apocalyptic number.

It is an amenable number.

63791812 is an abundant number, since it is smaller than the sum of its proper divisors (64212092).

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

63791812 is a wasteful number, since it uses less digits than its factorization.

63791812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515 (or 7513 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 63791812 is about 7986.9776511519. The cubic root of 63791812 is about 399.5658038548.

The spelling of 63791812 in words is "sixty-three million, seven hundred ninety-one thousand, eight hundred twelve".