28663477436983 has 2 divisors, whose sum is σ = 28663477436984. Its totient is φ = 28663477436982.

The previous prime is 28663477436941. The next prime is 28663477437029. The reversal of 28663477436983 is 38963477436682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28663477436983 - 2⁹ = 28663477436471 is a prime.

It is a super-2 number, since 2×28663477436983² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28663877436983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14331738718491 + 14331738718492.

It is an arithmetic number, because the mean of its divisors is an integer number (14331738718492).

Almost surely, 2^{28663477436983} is an apocalyptic number.

28663477436983 is a deficient number, since it is larger than the sum of its proper divisors (1).

28663477436983 is an equidigital number, since it uses as much as digits as its factorization.

28663477436983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5267275776, while the sum is 76.

The spelling of 28663477436983 in words is "twenty-eight trillion, six hundred sixty-three billion, four hundred seventy-seven million, four hundred thirty-six thousand, nine hundred eighty-three".