6663705482487 has 4 divisors (see below), whose sum is σ = 8884940643320. Its totient is φ = 4442470321656.

The previous prime is 6663705482479. The next prime is 6663705482503. The reversal of 6663705482487 is 7842845073666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6663705482487 - 2³ = 6663705482479 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 (6663705482407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110617580412 + ... + 1110617580417.

It is an arithmetic number, because the mean of its divisors is an integer number (2221235160830).

Almost surely, 2^{6663705482487} is an apocalyptic number.

6663705482487 is a deficient number, since it is larger than the sum of its proper divisors (2221235160833).

6663705482487 is a wasteful number, since it uses less digits than its factorization.

6663705482487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221235160832.

The product of its (nonzero) digits is 325140480, while the sum is 66.

The spelling of 6663705482487 in words is "six trillion, six hundred sixty-three billion, seven hundred five million, four hundred eighty-two thousand, four hundred eighty-seven".