104085997 has 2 divisors, whose sum is σ = 104085998. Its totient is φ = 104085996.

The previous prime is 104085991. The next prime is 104086013. The reversal of 104085997 is 799580401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63776196 + 40309801 = 7986^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 104085997 - 2²³ = 95697389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104085991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52042998 + 52042999.

It is an arithmetic number, because the mean of its divisors is an integer number (52042999).

Almost surely, 2^104085997 is an apocalyptic number.

It is an amenable number.

104085997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104085997 is an equidigital number, since it uses as much as digits as its factorization.

104085997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 104085997 is about 10202.2545057453. The cubic root of 104085997 is about 470.3965221723.

The spelling of 104085997 in words is "one hundred four million, eighty-five thousand, nine hundred ninety-seven".