480467891 has 2 divisors, whose sum is σ = 480467892. Its totient is φ = 480467890.

The previous prime is 480467881. The next prime is 480467893. The reversal of 480467891 is 198764084.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480467891 is a prime.

Together with 480467893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (480467893) 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, 240233945 + 240233946.

It is an arithmetic number, because the mean of its divisors is an integer number (240233946).

Almost surely, 2^480467891 is an apocalyptic number.

480467891 is a deficient number, since it is larger than the sum of its proper divisors (1).

480467891 is an equidigital number, since it uses as much as digits as its factorization.

480467891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 480467891 is about 21919.5778015910. The cubic root of 480467891 is about 783.2278527454.

The spelling of 480467891 in words is "four hundred eighty million, four hundred sixty-seven thousand, eight hundred ninety-one".