63228979 has 16 divisors (see below), whose sum is σ = 73647360. Its totient is φ = 53676000.

The previous prime is 63228973. The next prime is 63228983. The reversal of 63228979 is 97982236.

63228979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63228979 - 2⁹ = 63228467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63228973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12709 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (4602960).

Almost surely, 2^63228979 is an apocalyptic number.

63228979 is a deficient number, since it is larger than the sum of its proper divisors (10418381).

63228979 is a wasteful number, since it uses less digits than its factorization.

63228979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362.

The product of its digits is 326592, while the sum is 46.

The square root of 63228979 is about 7951.6651715223. The cubic root of 63228979 is about 398.3872122790.

The spelling of 63228979 in words is "sixty-three million, two hundred twenty-eight thousand, nine hundred seventy-nine".