78808111473 has 64 divisors (see below), whose sum is σ = 131384422400. Its totient is φ = 40912646400.

The previous prime is 78808111397. The next prime is 78808111507. The reversal of 78808111473 is 37411180887.

It is not a de Polignac number, because 78808111473 - 2¹⁰ = 78808110449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78808111373) 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 63 ways as a sum of consecutive naturals, for example, 4484538 + ... + 4502076.

It is an arithmetic number, because the mean of its divisors is an integer number (2052881600).

Almost surely, 2^78808111473 is an apocalyptic number.

It is an amenable number.

78808111473 is a deficient number, since it is larger than the sum of its proper divisors (52576310927).

78808111473 is a wasteful number, since it uses less digits than its factorization.

78808111473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 78808111473 in words is "seventy-eight billion, eight hundred eight million, one hundred eleven thousand, four hundred seventy-three".