104827809 has 8 divisors (see below), whose sum is σ = 139818240. Its totient is φ = 69861296.

The previous prime is 104827787. The next prime is 104827817. The reversal of 104827809 is 908728401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104827809 - 2⁹ = 104827297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104827819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11827 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (17477280).

Almost surely, 2^104827809 is an apocalyptic number.

It is an amenable number.

104827809 is a deficient number, since it is larger than the sum of its proper divisors (34990431).

104827809 is an equidigital number, since it uses as much as digits as its factorization.

104827809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 104827809 is about 10238.5452579944. The cubic root of 104827809 is about 471.5113698070.

The spelling of 104827809 in words is "one hundred four million, eight hundred twenty-seven thousand, eight hundred nine".