63378534 has 8 divisors (see below), whose sum is σ = 126757080. Its totient is φ = 21126176.

The previous prime is 63378493. The next prime is 63378541. The reversal of 63378534 is 43587336.

63378534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

63378534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63378492 and 63378501.

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 in 3 ways as a sum of consecutive naturals, for example, 5281539 + ... + 5281550.

It is an arithmetic number, because the mean of its divisors is an integer number (15844635).

Almost surely, 2^63378534 is an apocalyptic number.

63378534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63378534 is a wasteful number, since it uses less digits than its factorization.

63378534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563094.

The product of its digits is 181440, while the sum is 39.

The square root of 63378534 is about 7961.0636224062. The cubic root of 63378534 is about 398.7010656564.

The spelling of 63378534 in words is "sixty-three million, three hundred seventy-eight thousand, five hundred thirty-four".