78065303 has 4 divisors (see below), whose sum is σ = 80757240. Its totient is φ = 75373368.

The previous prime is 78065297. The next prime is 78065311. The reversal of 78065303 is 30356087.

It is a happy number.

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 78065303 - 2⁸ = 78065047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78065303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78061303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345925 + ... + 1345982.

It is an arithmetic number, because the mean of its divisors is an integer number (20189310).

Almost surely, 2^78065303 is an apocalyptic number.

78065303 is a deficient number, since it is larger than the sum of its proper divisors (2691937).

78065303 is a wasteful number, since it uses less digits than its factorization.

78065303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691936.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 78065303 is about 8835.4571471996. The cubic root of 78065303 is about 427.3850731270.

The spelling of 78065303 in words is "seventy-eight million, sixty-five thousand, three hundred three".