78830339 has 4 divisors (see below), whose sum is σ = 90091824. Its totient is φ = 67568856.

The previous prime is 78830333. The next prime is 78830359. The reversal of 78830339 is 93303887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78830339 - 2⁸ = 78830083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78830296 and 78830305.

It is not an unprimeable number, because it can be changed into a prime (78830333) 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 3 ways as a sum of consecutive naturals, for example, 5630732 + ... + 5630745.

It is an arithmetic number, because the mean of its divisors is an integer number (22522956).

Almost surely, 2^78830339 is an apocalyptic number.

78830339 is a deficient number, since it is larger than the sum of its proper divisors (11261485).

78830339 is a wasteful number, since it uses less digits than its factorization.

78830339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261484.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 78830339 is about 8878.6451106011. The cubic root of 78830339 is about 428.7766544981.

The spelling of 78830339 in words is "seventy-eight million, eight hundred thirty thousand, three hundred thirty-nine".