78094319 has 2 divisors, whose sum is σ = 78094320. Its totient is φ = 78094318.

The previous prime is 78094283. The next prime is 78094337. The reversal of 78094319 is 91349087.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78094319 - 2²⁰ = 77045743 is a prime.

It is a super-2 number, since 2×78094319² = 12197445320147522, 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 (78094339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39047159 + 39047160.

It is an arithmetic number, because the mean of its divisors is an integer number (39047160).

Almost surely, 2^78094319 is an apocalyptic number.

78094319 is a deficient number, since it is larger than the sum of its proper divisors (1).

78094319 is an equidigital number, since it uses as much as digits as its factorization.

78094319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 78094319 is about 8837.0990149483. The cubic root of 78094319 is about 427.4380179851.

The spelling of 78094319 in words is "seventy-eight million, ninety-four thousand, three hundred nineteen".