5539847987866 has 8 divisors (see below), whose sum is σ = 8326696162464. Its totient is φ = 2764282600380.

The previous prime is 5539847987837. The next prime is 5539847987953. The reversal of 5539847987866 is 6687897489355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820695550 + ... + 2820697513.

It is an arithmetic number, because the mean of its divisors is an integer number (1040837020308).

Almost surely, 2^{5539847987866} is an apocalyptic number.

5539847987866 is a deficient number, since it is larger than the sum of its proper divisors (2786848174598).

5539847987866 is a wasteful number, since it uses less digits than its factorization.

5539847987866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641393556.

The product of its digits is 21946982400, while the sum is 85.

The spelling of 5539847987866 in words is "five trillion, five hundred thirty-nine billion, eight hundred forty-seven million, nine hundred eighty-seven thousand, eight hundred sixty-six".