8055921243 has 4 divisors (see below), whose sum is σ = 10741228328. Its totient is φ = 5370614160.

The previous prime is 8055921239. The next prime is 8055921259. The reversal of 8055921243 is 3421295508.

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

It is not a de Polignac number, because 8055921243 - 2² = 8055921239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8055921343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342653538 + ... + 1342653543.

It is an arithmetic number, because the mean of its divisors is an integer number (2685307082).

Almost surely, 2^8055921243 is an apocalyptic number.

8055921243 is a deficient number, since it is larger than the sum of its proper divisors (2685307085).

8055921243 is a wasteful number, since it uses less digits than its factorization.

8055921243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685307084.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 8055921243 is about 89754.7839560655. The cubic root of 8055921243 is about 2004.6492872724.

The spelling of 8055921243 in words is "eight billion, fifty-five million, nine hundred twenty-one thousand, two hundred forty-three".