447987792 has 60 divisors (see below), whose sum is σ = 1346256096. Its totient is φ = 127995840.

The previous prime is 447987781. The next prime is 447987797. The reversal of 447987792 is 297789744.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447987797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92884 + ... + 97587.

Almost surely, 2^447987792 is an apocalyptic number.

447987792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

447987792 is an abundant number, since it is smaller than the sum of its proper divisors (898268304).

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

447987792 is a wasteful number, since it uses less digits than its factorization.

447987792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190496 (or 190483 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The square root of 447987792 is about 21165.7220996592. The cubic root of 447987792 is about 765.1655227292.

The spelling of 447987792 in words is "four hundred forty-seven million, nine hundred eighty-seven thousand, seven hundred ninety-two".