8038497505 has 4 divisors (see below), whose sum is σ = 9646197012. Its totient is φ = 6430798000.

The previous prime is 8038497499. The next prime is 8038497541. The reversal of 8038497505 is 5057948308.

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 6316911441 + 1721586064 = 79479^2 + 41492^2 .

It is not a de Polignac number, because 8038497505 - 2¹¹ = 8038495457 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 803849746 + ... + 803849755.

It is an arithmetic number, because the mean of its divisors is an integer number (2411549253).

Almost surely, 2^8038497505 is an apocalyptic number.

It is an amenable number.

8038497505 is a deficient number, since it is larger than the sum of its proper divisors (1607699507).

8038497505 is a wasteful number, since it uses less digits than its factorization.

8038497505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607699506.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 8038497505 is about 89657.6684115754. The cubic root of 8038497505 is about 2003.2029930959.

The spelling of 8038497505 in words is "eight billion, thirty-eight million, four hundred ninety-seven thousand, five hundred five".