78825368 has 8 divisors (see below), whose sum is σ = 147797580. Its totient is φ = 39412680.

The previous prime is 78825289. The next prime is 78825377. The reversal of 78825368 is 86352887.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 4926578 + ... + 4926593.

Almost surely, 2^78825368 is an apocalyptic number.

It is an amenable number.

78825368 is a deficient number, since it is larger than the sum of its proper divisors (68972212).

78825368 is a wasteful number, since it uses less digits than its factorization.

78825368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9853177 (or 9853173 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 78825368 is about 8878.3651648262. The cubic root of 78825368 is about 428.7676414980.

The spelling of 78825368 in words is "seventy-eight million, eight hundred twenty-five thousand, three hundred sixty-eight".