63896656 has 20 divisors (see below), whose sum is σ = 124134912. Its totient is φ = 31861856.

The previous prime is 63896653. The next prime is 63896683. The reversal of 63896656 is 65669836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63896653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 915 + ... + 11341.

Almost surely, 2^63896656 is an apocalyptic number.

It is an amenable number.

63896656 is a deficient number, since it is larger than the sum of its proper divisors (60238256).

63896656 is a wasteful number, since it uses less digits than its factorization.

63896656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818 (or 10812 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 63896656 is about 7993.5383904751. The cubic root of 63896656 is about 399.7845840107.

The spelling of 63896656 in words is "sixty-three million, eight hundred ninety-six thousand, six hundred fifty-six".