63896663 has 8 divisors (see below), whose sum is σ = 65279520. Its totient is φ = 62527360.

The previous prime is 63896653. The next prime is 63896683. The reversal of 63896663 is 36669836.

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

It is a cyclic number.

It is not a de Polignac number, because 63896663 - 2²⁴ = 47119447 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 (63896633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (8159940).

Almost surely, 2^63896663 is an apocalyptic number.

63896663 is a deficient number, since it is larger than the sum of its proper divisors (1382857).

63896663 is a wasteful number, since it uses less digits than its factorization.

63896663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777.

The product of its digits is 839808, while the sum is 47.

The square root of 63896663 is about 7993.5388283288. The cubic root of 63896663 is about 399.7845986098.

The spelling of 63896663 in words is "sixty-three million, eight hundred ninety-six thousand, six hundred sixty-three".