104885881 has 2 divisors, whose sum is σ = 104885882. Its totient is φ = 104885880.

The previous prime is 104885873. The next prime is 104885899. The reversal of 104885881 is 188588401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 49829481 = 7420^2 + 7059^2 .

It is an emirp because it is prime and its reverse (188588401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104885881 - 2³ = 104885873 is a prime.

It is a super-2 number, since 2×104885881² = 22002096066292322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104885381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52442940 + 52442941.

It is an arithmetic number, because the mean of its divisors is an integer number (52442941).

Almost surely, 2^104885881 is an apocalyptic number.

It is an amenable number.

104885881 is a deficient number, since it is larger than the sum of its proper divisors (1).

104885881 is an equidigital number, since it uses as much as digits as its factorization.

104885881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81920, while the sum is 43.

The square root of 104885881 is about 10241.3808151050. The cubic root of 104885881 is about 471.5984222595.

The spelling of 104885881 in words is "one hundred four million, eight hundred eighty-five thousand, eight hundred eighty-one".