420086911 has 2 divisors, whose sum is σ = 420086912. Its totient is φ = 420086910.

The previous prime is 420086897. The next prime is 420086929. The reversal of 420086911 is 119680024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420086911 - 2⁹ = 420086399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420086011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210043455 + 210043456.

It is an arithmetic number, because the mean of its divisors is an integer number (210043456).

Almost surely, 2^420086911 is an apocalyptic number.

420086911 is a deficient number, since it is larger than the sum of its proper divisors (1).

420086911 is an equidigital number, since it uses as much as digits as its factorization.

420086911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 420086911 is about 20496.0218335169. The cubic root of 420086911 is about 748.9388911424.

The spelling of 420086911 in words is "four hundred twenty million, eighty-six thousand, nine hundred eleven".