8447926047 has 16 divisors (see below), whose sum is σ = 12306183168. Its totient is φ = 5112334080.

The previous prime is 8447926031. The next prime is 8447926049. The reversal of 8447926047 is 7406297448.

It is a happy number.

It is not a de Polignac number, because 8447926047 - 2⁴ = 8447926031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8447926049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167983 + ... + 212400.

It is an arithmetic number, because the mean of its divisors is an integer number (769136448).

Almost surely, 2^8447926047 is an apocalyptic number.

8447926047 is a deficient number, since it is larger than the sum of its proper divisors (3858257121).

8447926047 is a wasteful number, since it uses less digits than its factorization.

8447926047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381070.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 8447926047 is about 91912.6000448252. The cubic root of 8447926047 is about 2036.6514049440.

The spelling of 8447926047 in words is "eight billion, four hundred forty-seven million, nine hundred twenty-six thousand, forty-seven".