2055780822647 has 2 divisors, whose sum is σ = 2055780822648. Its totient is φ = 2055780822646.

The previous prime is 2055780822569. The next prime is 2055780822721. The reversal of 2055780822647 is 7462280875502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2055780822647 - 2¹⁶ = 2055780757111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2055780822592 and 2055780822601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055780852647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027890411323 + 1027890411324.

It is an arithmetic number, because the mean of its divisors is an integer number (1027890411324).

Almost surely, 2^{2055780822647} is an apocalyptic number.

2055780822647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055780822647 is an equidigital number, since it uses as much as digits as its factorization.

2055780822647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 2055780822647 in words is "two trillion, fifty-five billion, seven hundred eighty million, eight hundred twenty-two thousand, six hundred forty-seven".