663622304026487 has 12 divisors (see below), whose sum is σ = 723842165873520. Its totient is φ = 608103088227648.

The previous prime is 663622304026483. The next prime is 663622304026543. The reversal of 663622304026487 is 784620403226366.

It is a happy number.

It is not a de Polignac number, because 663622304026487 - 2² = 663622304026483 is a prime.

It is a super-2 number, since 2×663622304026487² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663622304026481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14331214787 + ... + 14331261092.

It is an arithmetic number, because the mean of its divisors is an integer number (60320180489460).

Almost surely, 2^{663622304026487} is an apocalyptic number.

663622304026487 is a deficient number, since it is larger than the sum of its proper divisors (60219861847033).

663622304026487 is a wasteful number, since it uses less digits than its factorization.

663622304026487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28662476042 (or 28662476029 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 59.

The spelling of 663622304026487 in words is "six hundred sixty-three trillion, six hundred twenty-two billion, three hundred four million, twenty-six thousand, four hundred eighty-seven".