63244856 has 8 divisors (see below), whose sum is σ = 118584120. Its totient is φ = 31622424.

The previous prime is 63244849. The next prime is 63244891. The reversal of 63244856 is 65844236.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3952796 + ... + 3952811.

It is an arithmetic number, because the mean of its divisors is an integer number (14823015).

Almost surely, 2^63244856 is an apocalyptic number.

It is an amenable number.

63244856 is a deficient number, since it is larger than the sum of its proper divisors (55339264).

63244856 is a wasteful number, since it uses less digits than its factorization.

63244856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905613 (or 7905609 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 63244856 is about 7952.6634532086. The cubic root of 63244856 is about 398.4205549251.

The spelling of 63244856 in words is "sixty-three million, two hundred forty-four thousand, eight hundred fifty-six".