8011319845 has 8 divisors (see below), whose sum is σ = 9848061720. Its totient is φ = 6252737280.

The previous prime is 8011319839. The next prime is 8011319879. The reversal of 8011319845 is 5489131108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6260004 + 8005059841 = 2502^2 + 89471^2 .

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

It is not a de Polignac number, because 8011319845 - 2²⁷ = 7877102117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8011319798 and 8011319807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19539600 + ... + 19540009.

It is an arithmetic number, because the mean of its divisors is an integer number (1231007715).

Almost surely, 2^8011319845 is an apocalyptic number.

It is an amenable number.

8011319845 is a deficient number, since it is larger than the sum of its proper divisors (1836741875).

8011319845 is a wasteful number, since it uses less digits than its factorization.

8011319845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39079655.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 8011319845 is about 89505.9765881586. The cubic root of 8011319845 is about 2000.9428758394.

The spelling of 8011319845 in words is "eight billion, eleven million, three hundred nineteen thousand, eight hundred forty-five".