104911789 has 2 divisors, whose sum is σ = 104911790. Its totient is φ = 104911788.

The previous prime is 104911757. The next prime is 104911813. The reversal of 104911789 is 987119401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104898564 + 13225 = 10242^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 104911789 - 2⁵ = 104911757 is a prime.

It is a super-2 number, since 2×104911789² = 22012966942361042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104911889) 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, 52455894 + 52455895.

It is an arithmetic number, because the mean of its divisors is an integer number (52455895).

Almost surely, 2^104911789 is an apocalyptic number.

It is an amenable number.

104911789 is a deficient number, since it is larger than the sum of its proper divisors (1).

104911789 is an equidigital number, since it uses as much as digits as its factorization.

104911789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 104911789 is about 10242.6456055064. The cubic root of 104911789 is about 471.6372491125.

The spelling of 104911789 in words is "one hundred four million, nine hundred eleven thousand, seven hundred eighty-nine".