6977887841 has 2 divisors, whose sum is σ = 6977887842. Its totient is φ = 6977887840.

The previous prime is 6977887691. The next prime is 6977887843. The reversal of 6977887841 is 1487887796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6922905616 + 54982225 = 83204^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 6977887841 - 2¹⁴ = 6977871457 is a prime.

Together with 6977887843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6977887843) 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, 3488943920 + 3488943921.

It is an arithmetic number, because the mean of its divisors is an integer number (3488943921).

Almost surely, 2^6977887841 is an apocalyptic number.

It is an amenable number.

6977887841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977887841 is an equidigital number, since it uses as much as digits as its factorization.

6977887841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 65.

The square root of 6977887841 is about 83533.7527051191. The cubic root of 6977887841 is about 1910.9148182014.

The spelling of 6977887841 in words is "six billion, nine hundred seventy-seven million, eight hundred eighty-seven thousand, eight hundred forty-one".