450727847 has 4 divisors (see below), whose sum is σ = 459232200. Its totient is φ = 442223496.

The previous prime is 450727819. The next prime is 450727853. The reversal of 450727847 is 748727054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450727847 - 2¹⁰ = 450726823 is a prime.

It is a super-2 number, since 2×450727847² = 406311184122510818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450727798 and 450727807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450727807) 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 in 3 ways as a sum of consecutive naturals, for example, 4252097 + ... + 4252202.

It is an arithmetic number, because the mean of its divisors is an integer number (114808050).

Almost surely, 2^450727847 is an apocalyptic number.

450727847 is a deficient number, since it is larger than the sum of its proper divisors (8504353).

450727847 is an equidigital number, since it uses as much as digits as its factorization.

450727847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504352.

The product of its (nonzero) digits is 439040, while the sum is 44.

The square root of 450727847 is about 21230.3520225172. The cubic root of 450727847 is about 766.7223624524.

The spelling of 450727847 in words is "four hundred fifty million, seven hundred twenty-seven thousand, eight hundred forty-seven".