8047370813 has 4 divisors (see below), whose sum is σ = 8047564380. Its totient is φ = 8047177248.

The previous prime is 8047370797. The next prime is 8047370857. The reversal of 8047370813 is 3180737408.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5699193049 + 2348177764 = 75493^2 + 48458^2 .

It is a cyclic number.

It is not a de Polignac number, because 8047370813 - 2⁴ = 8047370797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8047370873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6098 + ... + 127011.

It is an arithmetic number, because the mean of its divisors is an integer number (2011891095).

Almost surely, 2^8047370813 is an apocalyptic number.

It is an amenable number.

8047370813 is a deficient number, since it is larger than the sum of its proper divisors (193567).

8047370813 is a wasteful number, since it uses less digits than its factorization.

8047370813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193566.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 8047370813 is about 89707.1391417651. The cubic root of 8047370813 is about 2003.9398016354.

The spelling of 8047370813 in words is "eight billion, forty-seven million, three hundred seventy thousand, eight hundred thirteen".