447603771247 has 4 divisors (see below), whose sum is σ = 458013161320. Its totient is φ = 437194381176.

The previous prime is 447603771233. The next prime is 447603771269. The reversal of 447603771247 is 742177306744.

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

It is a cyclic number.

It is not a de Polignac number, because 447603771247 - 2⁷ = 447603771119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447603771194 and 447603771203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447603771647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5204694972 + ... + 5204695057.

It is an arithmetic number, because the mean of its divisors is an integer number (114503290330).

Almost surely, 2^447603771247 is an apocalyptic number.

447603771247 is a deficient number, since it is larger than the sum of its proper divisors (10409390073).

447603771247 is a wasteful number, since it uses less digits than its factorization.

447603771247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409390072.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 447603771247 in words is "four hundred forty-seven billion, six hundred three million, seven hundred seventy-one thousand, two hundred forty-seven".