78104119 has 2 divisors, whose sum is σ = 78104120. Its totient is φ = 78104118.

The previous prime is 78104101. The next prime is 78104123. The reversal of 78104119 is 91140187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78104119 - 2¹¹ = 78102071 is a prime.

It is a super-2 number, since 2×78104119² = 12200506809532322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78104519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39052059 + 39052060.

It is an arithmetic number, because the mean of its divisors is an integer number (39052060).

Almost surely, 2^78104119 is an apocalyptic number.

78104119 is a deficient number, since it is larger than the sum of its proper divisors (1).

78104119 is an equidigital number, since it uses as much as digits as its factorization.

78104119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 78104119 is about 8837.6534781581. The cubic root of 78104119 is about 427.4558968672.

The spelling of 78104119 in words is "seventy-eight million, one hundred four thousand, one hundred nineteen".