63920463 has 8 divisors (see below), whose sum is σ = 85273776. Its totient is φ = 42590400.

The previous prime is 63920453. The next prime is 63920471. The reversal of 63920463 is 36402936.

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

It is not a de Polignac number, because 63920463 - 2⁵ = 63920431 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63920443) 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 7 ways as a sum of consecutive naturals, for example, 2173 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (10659222).

Almost surely, 2^63920463 is an apocalyptic number.

63920463 is a deficient number, since it is larger than the sum of its proper divisors (21353313).

63920463 is a wasteful number, since it uses less digits than its factorization.

63920463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 63920463 is about 7995.0273920732. The cubic root of 63920463 is about 399.8342292263.

The spelling of 63920463 in words is "sixty-three million, nine hundred twenty thousand, four hundred sixty-three".