63795663 has 6 divisors (see below), whose sum is σ = 92149304. Its totient is φ = 42530436.

The previous prime is 63795661. The next prime is 63795707. The reversal of 63795663 is 36659736.

63795663 is a `hidden beast` number, since 637 + 9 + 5 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 63795663 - 2¹ = 63795661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63795661) 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 5 ways as a sum of consecutive naturals, for example, 3544195 + ... + 3544212.

Almost surely, 2^63795663 is an apocalyptic number.

63795663 is a deficient number, since it is larger than the sum of its proper divisors (28353641).

63795663 is a wasteful number, since it uses less digits than its factorization.

63795663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088413 (or 7088410 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 63795663 is about 7987.2187274420. The cubic root of 63795663 is about 399.5738440557.

The spelling of 63795663 in words is "sixty-three million, seven hundred ninety-five thousand, six hundred sixty-three".