447252782 has 4 divisors (see below), whose sum is σ = 670879176. Its totient is φ = 223626390.

The previous prime is 447252763. The next prime is 447252797. The reversal of 447252782 is 287252744.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 111813194 + ... + 111813197.

It is an arithmetic number, because the mean of its divisors is an integer number (167719794).

Almost surely, 2^447252782 is an apocalyptic number.

447252782 is a deficient number, since it is larger than the sum of its proper divisors (223626394).

447252782 is a wasteful number, since it uses less digits than its factorization.

447252782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223626393.

The product of its digits is 250880, while the sum is 41.

The square root of 447252782 is about 21148.3517561062. The cubic root of 447252782 is about 764.7468266702.

The spelling of 447252782 in words is "four hundred forty-seven million, two hundred fifty-two thousand, seven hundred eighty-two".