78035393 has 2 divisors, whose sum is σ = 78035394. Its totient is φ = 78035392.

The previous prime is 78035387. The next prime is 78035407. The reversal of 78035393 is 39353087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 1787569 = 8732^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 78035393 - 2⁶ = 78035329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78035093) 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, 39017696 + 39017697.

It is an arithmetic number, because the mean of its divisors is an integer number (39017697).

Almost surely, 2^78035393 is an apocalyptic number.

It is an amenable number.

78035393 is a deficient number, since it is larger than the sum of its proper divisors (1).

78035393 is an equidigital number, since it uses as much as digits as its factorization.

78035393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 78035393 is about 8833.7643731311. The cubic root of 78035393 is about 427.3304832731.

The spelling of 78035393 in words is "seventy-eight million, thirty-five thousand, three hundred ninety-three".