63871168 has 28 divisors (see below), whose sum is σ = 129697480. Its totient is φ = 31191552.

The previous prime is 63871133. The next prime is 63871219. The reversal of 63871168 is 86117836.

It is a super-2 number, since 2×63871168² = 8159052203368448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63871168.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853 + ... + 14356.

Almost surely, 2^63871168 is an apocalyptic number.

It is an amenable number.

63871168 is an abundant number, since it is smaller than the sum of its proper divisors (65826312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63871168 is a wasteful number, since it uses less digits than its factorization.

63871168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23264 (or 23254 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 63871168 is about 7991.9439437474. The cubic root of 63871168 is about 399.7314197019.

The spelling of 63871168 in words is "sixty-three million, eight hundred seventy-one thousand, one hundred sixty-eight".