78043806807 has 8 divisors (see below), whose sum is σ = 105312125184. Its totient is φ = 51402346488.

The previous prime is 78043806791. The next prime is 78043806811. The reversal of 78043806807 is 70860834087.

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

It is not a de Polignac number, because 78043806807 - 2⁴ = 78043806791 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 78043806807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78043806847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156714223 + ... + 156714720.

It is an arithmetic number, because the mean of its divisors is an integer number (13164015648).

Almost surely, 2^78043806807 is an apocalyptic number.

78043806807 is a deficient number, since it is larger than the sum of its proper divisors (27268318377).

78043806807 is a wasteful number, since it uses less digits than its factorization.

78043806807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313429029.

The product of its (nonzero) digits is 1806336, while the sum is 51.

It can be divided in two parts, 7804380 and 6807, that added together give a palindrome (7811187).

The spelling of 78043806807 in words is "seventy-eight billion, forty-three million, eight hundred six thousand, eight hundred seven".