63893105 has 16 divisors (see below), whose sum is σ = 81518400. Its totient is φ = 47937600.

The previous prime is 63893087. The next prime is 63893107. The reversal of 63893105 is 50139836.

It is not a de Polignac number, because 63893105 - 2⁶ = 63893041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63893107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6266 + ... + 12924.

It is an arithmetic number, because the mean of its divisors is an integer number (5094900).

Almost surely, 2^63893105 is an apocalyptic number.

It is an amenable number.

63893105 is a deficient number, since it is larger than the sum of its proper divisors (17625295).

63893105 is a wasteful number, since it uses less digits than its factorization.

63893105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 63893105 is about 7993.3162704850. The cubic root of 63893105 is about 399.7771779823. Note that the first 3 decimals are identical.

The spelling of 63893105 in words is "sixty-three million, eight hundred ninety-three thousand, one hundred five".