6844998977 has 2 divisors, whose sum is σ = 6844998978. Its totient is φ = 6844998976.

The previous prime is 6844998911. The next prime is 6844998991. The reversal of 6844998977 is 7798994486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5747004481 + 1097994496 = 75809^2 + 33136^2 .

It is a cyclic number.

It is not a de Polignac number, because 6844998977 - 2¹⁴ = 6844982593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6844998977.

It is not a weakly prime, because it can be changed into another prime (6844998907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422499488 + 3422499489.

It is an arithmetic number, because the mean of its divisors is an integer number (3422499489).

Almost surely, 2^6844998977 is an apocalyptic number.

It is an amenable number.

6844998977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6844998977 is an equidigital number, since it uses as much as digits as its factorization.

6844998977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 71.

The square root of 6844998977 is about 82734.5089850662. The cubic root of 6844998977 is about 1898.7063194452.

The spelling of 6844998977 in words is "six billion, eight hundred forty-four million, nine hundred ninety-eight thousand, nine hundred seventy-seven".