663850089 has 60 divisors (see below), whose sum is σ = 1155894272. Its totient is φ = 366735600.

The previous prime is 663850079. The next prime is 663850097. The reversal of 663850089 is 980058366.

663850089 is a `hidden beast` number, since 6 + 63 + 8 + 500 + 89 = 666.

It is not a de Polignac number, because 663850089 - 2⁸ = 663849833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663850079) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 669384 + ... + 670374.

Almost surely, 2^663850089 is an apocalyptic number.

It is an amenable number.

663850089 is a deficient number, since it is larger than the sum of its proper divisors (492044183).

663850089 is an equidigital number, since it uses as much as digits as its factorization.

663850089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 663850089 is about 25765.2884517135. The cubic root of 663850089 is about 872.3484744923.

The spelling of 663850089 in words is "six hundred sixty-three million, eight hundred fifty thousand, eighty-nine".