78830396 has 12 divisors (see below), whose sum is σ = 142403520. Its totient is φ = 38143680.

The previous prime is 78830371. The next prime is 78830417. The reversal of 78830396 is 69303887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317741 + ... + 317988.

It is an arithmetic number, because the mean of its divisors is an integer number (11866960).

Almost surely, 2^78830396 is an apocalyptic number.

It is an amenable number.

78830396 is a deficient number, since it is larger than the sum of its proper divisors (63573124).

78830396 is a wasteful number, since it uses less digits than its factorization.

78830396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635764 (or 635762 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 78830396 is about 8878.6483205497. The cubic root of 78830396 is about 428.7767578435.

The spelling of 78830396 in words is "seventy-eight million, eight hundred thirty thousand, three hundred ninety-six".