663879159 has 32 divisors (see below), whose sum is σ = 999468480. Its totient is φ = 440899200.

The previous prime is 663879157. The next prime is 663879233. The reversal of 663879159 is 951978366.

It is not a de Polignac number, because 663879159 - 2¹ = 663879157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663879157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 876609 + ... + 877365.

It is an arithmetic number, because the mean of its divisors is an integer number (31233390).

Almost surely, 2^663879159 is an apocalyptic number.

663879159 is a deficient number, since it is larger than the sum of its proper divisors (335589321).

663879159 is an frugal number, since it uses more digits than its factorization.

663879159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1161 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 663879159 is about 25765.8525766178. The cubic root of 663879159 is about 872.3612076884.

The spelling of 663879159 in words is "six hundred sixty-three million, eight hundred seventy-nine thousand, one hundred fifty-nine".