63865794 has 8 divisors (see below), whose sum is σ = 127731600. Its totient is φ = 21288596.

The previous prime is 63865727. The next prime is 63865799. The reversal of 63865794 is 49756836.

63865794 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.

63865794 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63865799) by changing a digit.

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, 5322144 + ... + 5322155.

It is an arithmetic number, because the mean of its divisors is an integer number (15966450).

Almost surely, 2^63865794 is an apocalyptic number.

63865794 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.

63865794 is a wasteful number, since it uses less digits than its factorization.

63865794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644304.

The product of its digits is 1088640, while the sum is 48.

The square root of 63865794 is about 7991.6077231055. The cubic root of 63865794 is about 399.7202085041.

The spelling of 63865794 in words is "sixty-three million, eight hundred sixty-five thousand, seven hundred ninety-four".