663088867 has 16 divisors (see below), whose sum is σ = 765107200. Its totient is φ = 562917600.

The previous prime is 663088841. The next prime is 663088879. The reversal of 663088867 is 768880366.

It is not a de Polignac number, because 663088867 - 2⁷ = 663088739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663088817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463309 + ... + 464737.

It is an arithmetic number, because the mean of its divisors is an integer number (47819200).

Almost surely, 2^663088867 is an apocalyptic number.

663088867 is a deficient number, since it is larger than the sum of its proper divisors (102018333).

663088867 is a wasteful number, since it uses less digits than its factorization.

663088867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The square root of 663088867 is about 25750.5119754928. The cubic root of 663088867 is about 872.0149128240.

The spelling of 663088867 in words is "six hundred sixty-three million, eighty-eight thousand, eight hundred sixty-seven".