8049281247 has 24 divisors (see below), whose sum is σ = 13302446976. Its totient is φ = 4594485456.

The previous prime is 8049281237. The next prime is 8049281269. The reversal of 8049281247 is 7421829408.

8049281247 is a `hidden beast` number, since 80 + 492 + 81 + 2 + 4 + 7 = 666.

It is not a de Polignac number, because 8049281247 - 2⁴ = 8049281231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049281237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13293 + ... + 127574.

It is an arithmetic number, because the mean of its divisors is an integer number (554268624).

Almost surely, 2^8049281247 is an apocalyptic number.

8049281247 is a deficient number, since it is larger than the sum of its proper divisors (5253165729).

8049281247 is a wasteful number, since it uses less digits than its factorization.

8049281247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141787 (or 141784 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 8049281247 is about 89717.7866813488. The cubic root of 8049281247 is about 2004.0983665426.

The spelling of 8049281247 in words is "eight billion, forty-nine million, two hundred eighty-one thousand, two hundred forty-seven".