663662327 has 4 divisors (see below), whose sum is σ = 663715416. Its totient is φ = 663609240.

The previous prime is 663662297. The next prime is 663662333. The reversal of 663662327 is 723266366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 723266366 = 2 ⋅361633183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663662327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663662227) 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, 3677 + ... + 36617.

It is an arithmetic number, because the mean of its divisors is an integer number (165928854).

Almost surely, 2^663662327 is an apocalyptic number.

663662327 is a deficient number, since it is larger than the sum of its proper divisors (53089).

663662327 is a wasteful number, since it uses less digits than its factorization.

663662327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53088.

The product of its digits is 326592, while the sum is 41.

The square root of 663662327 is about 25761.6444933160. The cubic root of 663662327 is about 872.2662223183.

The spelling of 663662327 in words is "six hundred sixty-three million, six hundred sixty-two thousand, three hundred twenty-seven".