459455987 has 2 divisors, whose sum is σ = 459455988. Its totient is φ = 459455986.

The previous prime is 459455977. The next prime is 459456007. The reversal of 459455987 is 789554954.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459455987 is a prime.

It is a super-2 number, since 2×459455987² = 422199607980288338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (459455977) 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, 229727993 + 229727994.

It is an arithmetic number, because the mean of its divisors is an integer number (229727994).

Almost surely, 2^459455987 is an apocalyptic number.

459455987 is a deficient number, since it is larger than the sum of its proper divisors (1).

459455987 is an equidigital number, since it uses as much as digits as its factorization.

459455987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 56.

The square root of 459455987 is about 21434.9244691928. The cubic root of 459455987 is about 771.6398329566.

The spelling of 459455987 in words is "four hundred fifty-nine million, four hundred fifty-five thousand, nine hundred eighty-seven".