2447244847 has 8 divisors (see below), whose sum is σ = 2476271952. Its totient is φ = 2418312000.

The previous prime is 2447244823. The next prime is 2447244869. The reversal of 2447244847 is 7484427442.

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 2447244847 - 2¹⁹ = 2446720559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2447244797 and 2447244806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447244817) 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, 29368 + ... + 75874.

It is an arithmetic number, because the mean of its divisors is an integer number (309533994).

Almost surely, 2^2447244847 is an apocalyptic number.

2447244847 is a deficient number, since it is larger than the sum of its proper divisors (29027105).

2447244847 is a wasteful number, since it uses less digits than its factorization.

2447244847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47129.

The product of its digits is 1605632, while the sum is 46.

The square root of 2447244847 is about 49469.6356060968. The cubic root of 2447244847 is about 1347.5942241438.

It can be divided in two parts, 244724 and 4847, that added together give a triangular number (249571 = T₇₀₆).

The spelling of 2447244847 in words is "two billion, four hundred forty-seven million, two hundred forty-four thousand, eight hundred forty-seven".