8400880043 has 2 divisors, whose sum is σ = 8400880044. Its totient is φ = 8400880042.

The previous prime is 8400880013. The next prime is 8400880049. The reversal of 8400880043 is 3400880048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8400880043 - 2¹² = 8400875947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8400879985 and 8400880012.

It is not a weakly prime, because it can be changed into another prime (8400880049) 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 as a sum of consecutive naturals, namely, 4200440021 + 4200440022.

It is an arithmetic number, because the mean of its divisors is an integer number (4200440022).

Almost surely, 2^8400880043 is an apocalyptic number.

8400880043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400880043 is an equidigital number, since it uses as much as digits as its factorization.

8400880043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 8400880043 is about 91656.3148015455. The cubic root of 8400880043 is about 2032.8637010316.

The spelling of 8400880043 in words is "eight billion, four hundred million, eight hundred eighty thousand, forty-three".