663462886 has 8 divisors (see below), whose sum is σ = 996701904. Its totient is φ = 331228920.

The previous prime is 663462829. The next prime is 663462887. The reversal of 663462886 is 688264366.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663462887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249610 + ... + 252253.

It is an arithmetic number, because the mean of its divisors is an integer number (124587738).

Almost surely, 2^663462886 is an apocalyptic number.

663462886 is a deficient number, since it is larger than the sum of its proper divisors (333239018).

663462886 is a wasteful number, since it uses less digits than its factorization.

663462886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502526.

The product of its digits is 1990656, while the sum is 49.

The square root of 663462886 is about 25757.7733121479. The cubic root of 663462886 is about 872.1788369769.

The spelling of 663462886 in words is "six hundred sixty-three million, four hundred sixty-two thousand, eight hundred eighty-six".