78834435 has 8 divisors (see below), whose sum is σ = 126135120. Its totient is φ = 42045024.

The previous prime is 78834433. The next prime is 78834451. The reversal of 78834435 is 53443887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78834435 - 2¹ = 78834433 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (78834433) 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 in 7 ways as a sum of consecutive naturals, for example, 2627800 + ... + 2627829.

It is an arithmetic number, because the mean of its divisors is an integer number (15766890).

Almost surely, 2^78834435 is an apocalyptic number.

78834435 is a deficient number, since it is larger than the sum of its proper divisors (47300685).

78834435 is a wasteful number, since it uses less digits than its factorization.

78834435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255637.

The product of its digits is 322560, while the sum is 42.

The square root of 78834435 is about 8878.8757734299. The cubic root of 78834435 is about 428.7840807369.

The spelling of 78834435 in words is "seventy-eight million, eight hundred thirty-four thousand, four hundred thirty-five".