28587484663 has 4 divisors (see below), whose sum is σ = 28587853168. Its totient is φ = 28587116160.

The previous prime is 28587484649. The next prime is 28587484669. The reversal of 28587484663 is 36648478582.

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: 36648478582 = 2 ⋅18324239291.

It is a cyclic number.

It is not a de Polignac number, because 28587484663 - 2³³ = 19997550071 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 (28587484669) 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, 17706 + ... + 239767.

It is an arithmetic number, because the mean of its divisors is an integer number (7146963292).

Almost surely, 2^28587484663 is an apocalyptic number.

28587484663 is a deficient number, since it is larger than the sum of its proper divisors (368505).

28587484663 is a wasteful number, since it uses less digits than its factorization.

28587484663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368504.

The product of its digits is 61931520, while the sum is 61.

The spelling of 28587484663 in words is "twenty-eight billion, five hundred eighty-seven million, four hundred eighty-four thousand, six hundred sixty-three".