447779532 has 24 divisors (see below), whose sum is σ = 1070303472. Its totient is φ = 145619200.

The previous prime is 447779509. The next prime is 447779567. The reversal of 447779532 is 235977744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454569 + ... + 455552.

It is an arithmetic number, because the mean of its divisors is an integer number (44595978).

Almost surely, 2^447779532 is an apocalyptic number.

It is an amenable number.

447779532 is an abundant number, since it is smaller than the sum of its proper divisors (622523940).

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

447779532 is a wasteful number, since it uses less digits than its factorization.

447779532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910169 (or 910167 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The square root of 447779532 is about 21160.8017806509. The cubic root of 447779532 is about 765.0469346231.

The spelling of 447779532 in words is "four hundred forty-seven million, seven hundred seventy-nine thousand, five hundred thirty-two".