78585585303 has 8 divisors (see below), whose sum is σ = 110295558400. Its totient is φ = 49633001208.

The previous prime is 78585585193. The next prime is 78585585349. The reversal of 78585585303 is 30358558587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78585585303 - 2¹⁰ = 78585584279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1378694479 = 78585585303 / (7 + 8 + 5 + 8 + 5 + 5 + 8 + 5 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78585585103) 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 7 ways as a sum of consecutive naturals, for example, 689347183 + ... + 689347296.

It is an arithmetic number, because the mean of its divisors is an integer number (13786944800).

Almost surely, 2^78585585303 is an apocalyptic number.

78585585303 is a deficient number, since it is larger than the sum of its proper divisors (31709973097).

78585585303 is a wasteful number, since it uses less digits than its factorization.

78585585303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378694501.

The product of its (nonzero) digits is 20160000, while the sum is 57.

The spelling of 78585585303 in words is "seventy-eight billion, five hundred eighty-five million, five hundred eighty-five thousand, three hundred three".