5221708578887 has 4 divisors (see below), whose sum is σ = 5221717263456. Its totient is φ = 5221699894320.

The previous prime is 5221708578791. The next prime is 5221708578943. The reversal of 5221708578887 is 7888758071225.

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

It is a cyclic number.

It is not a de Polignac number, because 5221708578887 - 2⁸ = 5221708578631 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 (5221708538887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367439 + ... + 4667232.

It is an arithmetic number, because the mean of its divisors is an integer number (1305429315864).

Almost surely, 2^{5221708578887} is an apocalyptic number.

5221708578887 is a deficient number, since it is larger than the sum of its proper divisors (8684569).

5221708578887 is an equidigital number, since it uses as much as digits as its factorization.

5221708578887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684568.

The product of its (nonzero) digits is 140492800, while the sum is 68.

The spelling of 5221708578887 in words is "five trillion, two hundred twenty-one billion, seven hundred eight million, five hundred seventy-eight thousand, eight hundred eighty-seven".