63128908 has 12 divisors (see below), whose sum is σ = 110885152. Its totient is φ = 31447440.

The previous prime is 63128903. The next prime is 63128917. The reversal of 63128908 is 80982136.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63128903) 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, 28035 + ... + 30202.

Almost surely, 2^63128908 is an apocalyptic number.

It is an amenable number.

63128908 is a deficient number, since it is larger than the sum of its proper divisors (47756244).

63128908 is a wasteful number, since it uses less digits than its factorization.

63128908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58512 (or 58510 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 63128908 is about 7945.3702242249. The cubic root of 63128908 is about 398.1769286503.

The spelling of 63128908 in words is "sixty-three million, one hundred twenty-eight thousand, nine hundred eight".