8468888647 has 4 divisors (see below), whose sum is σ = 8760919320. Its totient is φ = 8176857976.

The previous prime is 8468888611. The next prime is 8468888669. The reversal of 8468888647 is 7468888648.

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

It is a cyclic number.

It is not a de Polignac number, because 8468888647 - 2²⁷ = 8334670919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8468888347) by changing a digit.

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, 146015293 + ... + 146015350.

It is an arithmetic number, because the mean of its divisors is an integer number (2190229830).

Almost surely, 2^8468888647 is an apocalyptic number.

8468888647 is a deficient number, since it is larger than the sum of its proper divisors (292030673).

8468888647 is a wasteful number, since it uses less digits than its factorization.

8468888647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292030672.

The product of its digits is 132120576, while the sum is 67.

The square root of 8468888647 is about 92026.5648984031. The cubic root of 8468888647 is about 2038.3345890383.

Subtracting from 8468888647 its reverse (7468888648), we obtain a palindrome (999999999).

The spelling of 8468888647 in words is "eight billion, four hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred forty-seven".