104440279 has 2 divisors, whose sum is σ = 104440280. Its totient is φ = 104440278.

The previous prime is 104440277. The next prime is 104440289. The reversal of 104440279 is 972044401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104440279 - 2¹ = 104440277 is a prime.

Together with 104440277, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 104440279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104440277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52220139 + 52220140.

It is an arithmetic number, because the mean of its divisors is an integer number (52220140).

Almost surely, 2^104440279 is an apocalyptic number.

104440279 is a deficient number, since it is larger than the sum of its proper divisors (1).

104440279 is an equidigital number, since it uses as much as digits as its factorization.

104440279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 104440279 is about 10219.6026830792. The cubic root of 104440279 is about 470.9296207666.

The spelling of 104440279 in words is "one hundred four million, four hundred forty thousand, two hundred seventy-nine".