63408378 has 32 divisors (see below), whose sum is σ = 144364032. Its totient is φ = 18378800.

The previous prime is 63408349. The next prime is 63408383. The reversal of 63408378 is 87380436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19368 + ... + 22403.

It is an arithmetic number, because the mean of its divisors is an integer number (4511376).

Almost surely, 2^63408378 is an apocalyptic number.

63408378 is an abundant number, since it is smaller than the sum of its proper divisors (80955654).

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

63408378 is a wasteful number, since it uses less digits than its factorization.

63408378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 63408378 is about 7962.9377744649. The cubic root of 63408378 is about 398.7636366179.

The spelling of 63408378 in words is "sixty-three million, four hundred eight thousand, three hundred seventy-eight".