4808477087221 has 2 divisors, whose sum is σ = 4808477087222. Its totient is φ = 4808477087220.

The previous prime is 4808477087207. The next prime is 4808477087279. The reversal of 4808477087221 is 1227807748084.

It is an a-pointer prime, because the next prime (4808477087279) can be obtained adding 4808477087221 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3465163635025 + 1343313452196 = 1861495^2 + 1159014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4808477087221 - 2⁷ = 4808477087093 is a prime.

It is a super-3 number, since 3×4808477087221³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4808477087021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2404238543610 + 2404238543611.

It is an arithmetic number, because the mean of its divisors is an integer number (2404238543611).

Almost surely, 2^{4808477087221} is an apocalyptic number.

It is an amenable number.

4808477087221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4808477087221 is an equidigital number, since it uses as much as digits as its factorization.

4808477087221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11239424, while the sum is 58.

The spelling of 4808477087221 in words is "four trillion, eight hundred eight billion, four hundred seventy-seven million, eighty-seven thousand, two hundred twenty-one".