104186279 has 2 divisors, whose sum is σ = 104186280. Its totient is φ = 104186278.

The previous prime is 104186261. The next prime is 104186317. The reversal of 104186279 is 972681401.

It is an a-pointer prime, because the next prime (104186317) can be obtained adding 104186279 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104186279 - 2⁸ = 104186023 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104186209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52093139 + 52093140.

It is an arithmetic number, because the mean of its divisors is an integer number (52093140).

Almost surely, 2^104186279 is an apocalyptic number.

104186279 is a deficient number, since it is larger than the sum of its proper divisors (1).

104186279 is an equidigital number, since it uses as much as digits as its factorization.

104186279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 104186279 is about 10207.1680205628. The cubic root of 104186279 is about 470.5475420471.

The spelling of 104186279 in words is "one hundred four million, one hundred eighty-six thousand, two hundred seventy-nine".