2478227562847 has 2 divisors, whose sum is σ = 2478227562848. Its totient is φ = 2478227562846.

The previous prime is 2478227562841. The next prime is 2478227562869. The reversal of 2478227562847 is 7482657228742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478227562847 - 2¹⁹ = 2478227038559 is a prime.

It is a super-2 number, since 2×2478227562847² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2478227562841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239113781423 + 1239113781424.

It is an arithmetic number, because the mean of its divisors is an integer number (1239113781424).

Almost surely, 2^{2478227562847} is an apocalyptic number.

2478227562847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478227562847 is an equidigital number, since it uses as much as digits as its factorization.

2478227562847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168591360, while the sum is 64.

The spelling of 2478227562847 in words is "two trillion, four hundred seventy-eight billion, two hundred twenty-seven million, five hundred sixty-two thousand, eight hundred forty-seven".