104263889 has 2 divisors, whose sum is σ = 104263890. Its totient is φ = 104263888.

The previous prime is 104263871. The next prime is 104263927. The reversal of 104263889 is 988362401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 36481600 = 8233^2 + 6040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104263889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104263829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52131944 + 52131945.

It is an arithmetic number, because the mean of its divisors is an integer number (52131945).

Almost surely, 2^104263889 is an apocalyptic number.

It is an amenable number.

104263889 is a deficient number, since it is larger than the sum of its proper divisors (1).

104263889 is an equidigital number, since it uses as much as digits as its factorization.

104263889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 104263889 is about 10210.9690529352. The cubic root of 104263889 is about 470.6643524721.

The spelling of 104263889 in words is "one hundred four million, two hundred sixty-three thousand, eight hundred eighty-nine".