2678468647 has 2 divisors, whose sum is σ = 2678468648. Its totient is φ = 2678468646.

The previous prime is 2678468599. The next prime is 2678468651. The reversal of 2678468647 is 7468648762.

2678468647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2678468647 - 2¹¹ = 2678466599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2678468591 and 2678468600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2678468687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339234323 + 1339234324.

It is an arithmetic number, because the mean of its divisors is an integer number (1339234324).

Almost surely, 2^2678468647 is an apocalyptic number.

2678468647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678468647 is an equidigital number, since it uses as much as digits as its factorization.

2678468647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21676032, while the sum is 58.

The square root of 2678468647 is about 51753.9239768348. The cubic root of 2678468647 is about 1388.7652971299.

The spelling of 2678468647 in words is "two billion, six hundred seventy-eight million, four hundred sixty-eight thousand, six hundred forty-seven".