447837680 has 20 divisors (see below), whose sum is σ = 1041222792. Its totient is φ = 179135040.

The previous prime is 447837673. The next prime is 447837701. The reversal of 447837680 is 86738744.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2798906 + ... + 2799065.

Almost surely, 2^447837680 is an apocalyptic number.

447837680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447837680 is an abundant number, since it is smaller than the sum of its proper divisors (593385112).

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

447837680 is a wasteful number, since it uses less digits than its factorization.

447837680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597984 (or 5597978 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 447837680 is about 21162.1756915493. The cubic root of 447837680 is about 765.0800491511.

The spelling of 447837680 in words is "four hundred forty-seven million, eight hundred thirty-seven thousand, six hundred eighty".