8051047869 has 4 divisors (see below), whose sum is σ = 10734730496. Its totient is φ = 5367365244.

The previous prime is 8051047841. The next prime is 8051047909. The reversal of 8051047869 is 9687401508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8051047869 - 2²⁸ = 7782612413 is a prime.

It is a super-3 number, since 3×8051047869³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051047469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341841309 + ... + 1341841314.

It is an arithmetic number, because the mean of its divisors is an integer number (2683682624).

Almost surely, 2^8051047869 is an apocalyptic number.

It is an amenable number.

8051047869 is a deficient number, since it is larger than the sum of its proper divisors (2683682627).

8051047869 is a wasteful number, since it uses less digits than its factorization.

8051047869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683682626.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 8051047869 is about 89727.6315802440. The cubic root of 8051047869 is about 2004.2449728118.

The spelling of 8051047869 in words is "eight billion, fifty-one million, forty-seven thousand, eight hundred sixty-nine".