104278787 has 2 divisors, whose sum is σ = 104278788. Its totient is φ = 104278786.

The previous prime is 104278781. The next prime is 104278831. The reversal of 104278787 is 787872401.

It is an a-pointer prime, because the next prime (104278831) can be obtained adding 104278787 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104278787 - 2⁴ = 104278771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104278781) 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, 52139393 + 52139394.

It is an arithmetic number, because the mean of its divisors is an integer number (52139394).

Almost surely, 2^104278787 is an apocalyptic number.

104278787 is a deficient number, since it is larger than the sum of its proper divisors (1).

104278787 is an equidigital number, since it uses as much as digits as its factorization.

104278787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 104278787 is about 10211.6985364826. The cubic root of 104278787 is about 470.6867687456.

The spelling of 104278787 in words is "one hundred four million, two hundred seventy-eight thousand, seven hundred eighty-seven".