63509480 has 16 divisors (see below), whose sum is σ = 142896420. Its totient is φ = 25403776.

The previous prime is 63509477. The next prime is 63509513. The reversal of 63509480 is 8490536.

63509480 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 2 ways, for example, as 59876644 + 3632836 = 7738^2 + 1906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63509480.

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 in 3 ways as a sum of consecutive naturals, for example, 793829 + ... + 793908.

Almost surely, 2^63509480 is an apocalyptic number.

It is an amenable number.

63509480 is an abundant number, since it is smaller than the sum of its proper divisors (79386940).

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

63509480 is a wasteful number, since it uses less digits than its factorization.

63509480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587748 (or 1587744 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 63509480 is about 7969.2835311589. The cubic root of 63509480 is about 398.9754613753.

The spelling of 63509480 in words is "sixty-three million, five hundred nine thousand, four hundred eighty".