5549984887 has 2 divisors, whose sum is σ = 5549984888. Its totient is φ = 5549984886.

The previous prime is 5549984857. The next prime is 5549984953. The reversal of 5549984887 is 7884899455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5549984887 - 2¹⁹ = 5549460599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5549984857) 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 as a sum of consecutive naturals, namely, 2774992443 + 2774992444.

It is an arithmetic number, because the mean of its divisors is an integer number (2774992444).

Almost surely, 2^5549984887 is an apocalyptic number.

5549984887 is a deficient number, since it is larger than the sum of its proper divisors (1).

5549984887 is an equidigital number, since it uses as much as digits as its factorization.

5549984887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116121600, while the sum is 67.

The square root of 5549984887 is about 74498.2206968730. The cubic root of 5549984887 is about 1770.5054454656.

The spelling of 5549984887 in words is "five billion, five hundred forty-nine million, nine hundred eighty-four thousand, eight hundred eighty-seven".