447945807 has 8 divisors (see below), whose sum is σ = 603174960. Its totient is φ = 295673600.

The previous prime is 447945793. The next prime is 447945809. The reversal of 447945807 is 708549744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447945807 - 2¹⁴ = 447929423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447945809) 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, 738882 + ... + 739487.

It is an arithmetic number, because the mean of its divisors is an integer number (75396870).

Almost surely, 2^447945807 is an apocalyptic number.

447945807 is a deficient number, since it is larger than the sum of its proper divisors (155229153).

447945807 is a wasteful number, since it uses less digits than its factorization.

447945807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478473.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 447945807 is about 21164.7302605065. The cubic root of 447945807 is about 765.1416184483.

The spelling of 447945807 in words is "four hundred forty-seven million, nine hundred forty-five thousand, eight hundred seven".