78608203 has 4 divisors (see below), whose sum is σ = 78625960. Its totient is φ = 78590448.

The previous prime is 78608191. The next prime is 78608213. The reversal of 78608203 is 30280687.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 78608203 - 2¹⁷ = 78477131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78608213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751 + ... + 13087.

It is an arithmetic number, because the mean of its divisors is an integer number (19656490).

Almost surely, 2^78608203 is an apocalyptic number.

78608203 is a deficient number, since it is larger than the sum of its proper divisors (17757).

78608203 is an equidigital number, since it uses as much as digits as its factorization.

78608203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 78608203 is about 8866.1267191486. The cubic root of 78608203 is about 428.3735257125.

The spelling of 78608203 in words is "seventy-eight million, six hundred eight thousand, two hundred three".