2977864559947 has 2 divisors, whose sum is σ = 2977864559948. Its totient is φ = 2977864559946.

The previous prime is 2977864559909. The next prime is 2977864560017. The reversal of 2977864559947 is 7499554687792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2977864559947 - 2¹⁹ = 2977864035659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2977864569947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488932279973 + 1488932279974.

It is an arithmetic number, because the mean of its divisors is an integer number (1488932279974).

Almost surely, 2^{2977864559947} is an apocalyptic number.

2977864559947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2977864559947 is an equidigital number, since it uses as much as digits as its factorization.

2977864559947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9601804800, while the sum is 82.

The spelling of 2977864559947 in words is "two trillion, nine hundred seventy-seven billion, eight hundred sixty-four million, five hundred fifty-nine thousand, nine hundred forty-seven".