2206878047747 has 2 divisors, whose sum is σ = 2206878047748. Its totient is φ = 2206878047746.

The previous prime is 2206878047729. The next prime is 2206878047789. The reversal of 2206878047747 is 7477408786022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206878047747 - 2⁶ = 2206878047683 is a prime.

It is a super-2 number, since 2×2206878047747² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2206878047747.

It is not a weakly prime, because it can be changed into another prime (2206878047047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103439023873 + 1103439023874.

It is an arithmetic number, because the mean of its divisors is an integer number (1103439023874).

Almost surely, 2^{2206878047747} is an apocalyptic number.

2206878047747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206878047747 is an equidigital number, since it uses as much as digits as its factorization.

2206878047747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59006976, while the sum is 62.

The spelling of 2206878047747 in words is "two trillion, two hundred six billion, eight hundred seventy-eight million, forty-seven thousand, seven hundred forty-seven".