63803956 has 6 divisors (see below), whose sum is σ = 111656930. Its totient is φ = 31901976.

The previous prime is 63803939. The next prime is 63804007. The reversal of 63803956 is 65930836.

63803956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 23912100 = 6316^2 + 4890^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7975491 + ... + 7975498.

Almost surely, 2^63803956 is an apocalyptic number.

It is an amenable number.

63803956 is a deficient number, since it is larger than the sum of its proper divisors (47852974).

63803956 is a wasteful number, since it uses less digits than its factorization.

63803956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15950993 (or 15950991 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 63803956 is about 7987.7378524836. The cubic root of 63803956 is about 399.5911572614.

The spelling of 63803956 in words is "sixty-three million, eight hundred three thousand, nine hundred fifty-six".