63961228 has 6 divisors (see below), whose sum is σ = 111932156. Its totient is φ = 31980612.

The previous prime is 63961217. The next prime is 63961231. The reversal of 63961228 is 82216936.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7995150 + ... + 7995157.

Almost surely, 2^63961228 is an apocalyptic number.

It is an amenable number.

63961228 is a deficient number, since it is larger than the sum of its proper divisors (47970928).

63961228 is a wasteful number, since it uses less digits than its factorization.

63961228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15990311 (or 15990309 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 63961228 is about 7997.5763828800. The cubic root of 63961228 is about 399.9192086830.

The spelling of 63961228 in words is "sixty-three million, nine hundred sixty-one thousand, two hundred twenty-eight".