447787960 has 32 divisors (see below), whose sum is σ = 1008482400. Its totient is φ = 178944640.

The previous prime is 447787909. The next prime is 447787961. The reversal of 447787960 is 69787744.

It is a junction number, because it is equal to n+sod(n) for n = 447787898 and 447787907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447787961) 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, 42501 + ... + 51979.

It is an arithmetic number, because the mean of its divisors is an integer number (31515075).

Almost surely, 2^447787960 is an apocalyptic number.

447787960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447787960 is an abundant number, since it is smaller than the sum of its proper divisors (560694440).

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

447787960 is a wasteful number, since it uses less digits than its factorization.

447787960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671 (or 10667 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 447787960 is about 21161.0009215065. Note that the first 3 decimals coincide. The cubic root of 447787960 is about 765.0517344368.

The spelling of 447787960 in words is "four hundred forty-seven million, seven hundred eighty-seven thousand, nine hundred sixty".