8880040447 has 2 divisors, whose sum is σ = 8880040448. Its totient is φ = 8880040446.

The previous prime is 8880040409. The next prime is 8880040453. The reversal of 8880040447 is 7440400888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8880040447 - 2¹⁵ = 8880007679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8880040747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440020223 + 4440020224.

It is an arithmetic number, because the mean of its divisors is an integer number (4440020224).

Almost surely, 2^8880040447 is an apocalyptic number.

8880040447 is a deficient number, since it is larger than the sum of its proper divisors (1).

8880040447 is an equidigital number, since it uses as much as digits as its factorization.

8880040447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 43.

The square root of 8880040447 is about 94233.9665248152. The cubic root of 8880040447 is about 2070.8007549443.

The spelling of 8880040447 in words is "eight billion, eight hundred eighty million, forty thousand, four hundred forty-seven".