447887450 has 12 divisors (see below), whose sum is σ = 833070750. Its totient is φ = 179154960.

The previous prime is 447887417. The next prime is 447887483. The reversal of 447887450 is 54788744.

It is an interprime number because it is at equal distance from previous prime (447887417) and next prime (447887483).

It can be written as a sum of positive squares in 3 ways, for example, as 427538329 + 20349121 = 20677^2 + 4511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 447887395 and 447887404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4478825 + ... + 4478924.

Almost surely, 2^447887450 is an apocalyptic number.

447887450 is a deficient number, since it is larger than the sum of its proper divisors (385183300).

447887450 is a wasteful number, since it uses less digits than its factorization.

447887450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957761 (or 8957756 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 47.

The square root of 447887450 is about 21163.3515776684. The cubic root of 447887450 is about 765.1083902408.

The spelling of 447887450 in words is "four hundred forty-seven million, eight hundred eighty-seven thousand, four hundred fifty".