416718427 has 2 divisors, whose sum is σ = 416718428. Its totient is φ = 416718426.

The previous prime is 416718409. The next prime is 416718481. The reversal of 416718427 is 724817614.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 416718427 - 2⁷ = 416718299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416718427.

It is not a weakly prime, because it can be changed into another prime (413718427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208359213 + 208359214.

It is an arithmetic number, because the mean of its divisors is an integer number (208359214).

Almost surely, 2^416718427 is an apocalyptic number.

416718427 is a deficient number, since it is larger than the sum of its proper divisors (1).

416718427 is an equidigital number, since it uses as much as digits as its factorization.

416718427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 416718427 is about 20413.6823478764. The cubic root of 416718427 is about 746.9317176794.

The spelling of 416718427 in words is "four hundred sixteen million, seven hundred eighteen thousand, four hundred twenty-seven".