447977320 has 32 divisors (see below), whose sum is σ = 1151942400. Its totient is φ = 153592128.

The previous prime is 447977303. The next prime is 447977339. The reversal of 447977320 is 23779744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799680 + ... + 800239.

It is an arithmetic number, because the mean of its divisors is an integer number (35998200).

Almost surely, 2^447977320 is an apocalyptic number.

447977320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447977320 is an abundant number, since it is smaller than the sum of its proper divisors (703965080).

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

447977320 is a wasteful number, since it uses less digits than its factorization.

447977320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599937 (or 1599933 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 447977320 is about 21165.4747170953. The cubic root of 447977320 is about 765.1595606056.

The spelling of 447977320 in words is "four hundred forty-seven million, nine hundred seventy-seven thousand, three hundred twenty".