447440877 has 12 divisors (see below), whose sum is σ = 696019324. Its totient is φ = 275348160.

The previous prime is 447440863. The next prime is 447440879. The reversal of 447440877 is 778044744.

It can be written as a sum of positive squares in 2 ways, for example, as 31036041 + 416404836 = 5571^2 + 20406^2 .

It is not a de Polignac number, because 447440877 - 2¹⁴ = 447424493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447440879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912024 + ... + 1912257.

Almost surely, 2^447440877 is an apocalyptic number.

It is an amenable number.

447440877 is a deficient number, since it is larger than the sum of its proper divisors (248578447).

447440877 is a wasteful number, since it uses less digits than its factorization.

447440877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824300 (or 3824297 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 447440877 is about 21152.7983255171. The cubic root of 447440877 is about 764.8540180244.

The spelling of 447440877 in words is "four hundred forty-seven million, four hundred forty thousand, eight hundred seventy-seven".