447078852 has 240 divisors, whose sum is σ = 1387507968. Its totient is φ = 124001280.

The previous prime is 447078851. The next prime is 447078887. The reversal of 447078852 is 258870744.

It is a junction number, because it is equal to n+sod(n) for n = 447078798 and 447078807.

It is not an unprimeable number, because it can be changed into a prime (447078851) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2847558 + ... + 2847714.

Almost surely, 2^447078852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447078852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693753984).

447078852 is an abundant number, since it is smaller than the sum of its proper divisors (940429116).

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

447078852 is a wasteful number, since it uses less digits than its factorization.

447078852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 447078852 is about 21144.2392154459. The cubic root of 447078852 is about 764.6476809024.

The spelling of 447078852 in words is "four hundred forty-seven million, seventy-eight thousand, eight hundred fifty-two".