447374779 has 8 divisors (see below), whose sum is σ = 472896000. Its totient is φ = 422051112.

The previous prime is 447374777. The next prime is 447374789. The reversal of 447374779 is 977473744.

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 447374779 - 2¹ = 447374777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447374777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44719 + ... + 53800.

It is an arithmetic number, because the mean of its divisors is an integer number (59112000).

Almost surely, 2^447374779 is an apocalyptic number.

447374779 is a deficient number, since it is larger than the sum of its proper divisors (25521221).

447374779 is a wasteful number, since it uses less digits than its factorization.

447374779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98777.

The product of its digits is 4148928, while the sum is 52.

The square root of 447374779 is about 21151.2358740571. The cubic root of 447374779 is about 764.8163535991.

The spelling of 447374779 in words is "four hundred forty-seven million, three hundred seventy-four thousand, seven hundred seventy-nine".