78030255030303 has 4 divisors (see below), whose sum is σ = 104040340040408. Its totient is φ = 52020170020200.

The previous prime is 78030255030197. The next prime is 78030255030337. The reversal of 78030255030303 is 30303055203087.

It is a happy number.

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

It is not a de Polignac number, because 78030255030303 - 2⁸ = 78030255030047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78030255030353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13005042505048 + ... + 13005042505053.

It is an arithmetic number, because the mean of its divisors is an integer number (26010085010102).

Almost surely, 2^{78030255030303} is an apocalyptic number.

78030255030303 is a deficient number, since it is larger than the sum of its proper divisors (26010085010105).

78030255030303 is a wasteful number, since it uses less digits than its factorization.

78030255030303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26010085010104.

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 78030255030303 in words is "seventy-eight trillion, thirty billion, two hundred fifty-five million, thirty thousand, three hundred three".