63484578 has 24 divisors (see below), whose sum is σ = 138149388. Its totient is φ = 21069312.

The previous prime is 63484537. The next prime is 63484583. The reversal of 63484578 is 87548436.

63484578 is a `hidden beast` number, since 634 + 8 + 4 + 5 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62773929 + 710649 = 7923^2 + 843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3375 + ... + 11762.

Almost surely, 2^63484578 is an apocalyptic number.

63484578 is an abundant number, since it is smaller than the sum of its proper divisors (74664810).

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

63484578 is a wasteful number, since it uses less digits than its factorization.

63484578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378 (or 15375 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 63484578 is about 7967.7210041517. The cubic root of 63484578 is about 398.9233086061.

The spelling of 63484578 in words is "sixty-three million, four hundred eighty-four thousand, five hundred seventy-eight".