2847732647 has 2 divisors, whose sum is σ = 2847732648. Its totient is φ = 2847732646.

The previous prime is 2847732631. The next prime is 2847732697. The reversal of 2847732647 is 7462377482.

It is an a-pointer prime, because the next prime (2847732697) can be obtained adding 2847732647 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2847732647 - 2⁴ = 2847732631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2847732595 and 2847732604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2847732607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423866323 + 1423866324.

It is an arithmetic number, because the mean of its divisors is an integer number (1423866324).

Almost surely, 2^2847732647 is an apocalyptic number.

2847732647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847732647 is an equidigital number, since it uses as much as digits as its factorization.

2847732647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3161088, while the sum is 50.

The square root of 2847732647 is about 53364.1513283965. The cubic root of 2847732647 is about 1417.4238564671.

The spelling of 2847732647 in words is "two billion, eight hundred forty-seven million, seven hundred thirty-two thousand, six hundred forty-seven".