447827664 has 40 divisors (see below), whose sum is σ = 1207190592. Its totient is φ = 142785280.

The previous prime is 447827659. The next prime is 447827669. The reversal of 447827664 is 466728744.

It is an interprime number because it is at equal distance from previous prime (447827659) and next prime (447827669).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447827669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201717 + ... + 203924.

Almost surely, 2^447827664 is an apocalyptic number.

It is an amenable number.

447827664 is an abundant number, since it is smaller than the sum of its proper divisors (759362928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447827664 is a wasteful number, since it uses less digits than its factorization.

447827664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405675 (or 405669 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The square root of 447827664 is about 21161.9390415907. The cubic root of 447827664 is about 765.0743453741.

The spelling of 447827664 in words is "four hundred forty-seven million, eight hundred twenty-seven thousand, six hundred sixty-four".