108278419 has 2 divisors, whose sum is σ = 108278420. Its totient is φ = 108278418.

The previous prime is 108278413. The next prime is 108278447. The reversal of 108278419 is 914872801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108278419 is a prime.

It is a super-2 number, since 2×108278419² = 23448432042279122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108278413) 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, 54139209 + 54139210.

It is an arithmetic number, because the mean of its divisors is an integer number (54139210).

Almost surely, 2^108278419 is an apocalyptic number.

108278419 is a deficient number, since it is larger than the sum of its proper divisors (1).

108278419 is an equidigital number, since it uses as much as digits as its factorization.

108278419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 108278419 is about 10405.6916637002. The cubic root of 108278419 is about 476.6291890813.

The spelling of 108278419 in words is "one hundred eight million, two hundred seventy-eight thousand, four hundred nineteen".