78003320 has 32 divisors (see below), whose sum is σ = 179791920. Its totient is φ = 30439680.

The previous prime is 78003319. The next prime is 78003349. The reversal of 78003320 is 2330087.

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 in 7 ways as a sum of consecutive naturals, for example, 22142 + ... + 25421.

Almost surely, 2^78003320 is an apocalyptic number.

It is an amenable number.

78003320 is an abundant number, since it is smaller than the sum of its proper divisors (101788600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78003320 is a wasteful number, since it uses less digits than its factorization.

78003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47615 (or 47611 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 78003320 is about 8831.9488223155. The cubic root of 78003320 is about 427.2719301465.

The spelling of 78003320 in words is "seventy-eight million, three thousand, three hundred twenty".