6877662991 has 2 divisors, whose sum is σ = 6877662992. Its totient is φ = 6877662990.

The previous prime is 6877662983. The next prime is 6877663033. The reversal of 6877662991 is 1992667786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6877662991 - 2³ = 6877662983 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6877662901) 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, 3438831495 + 3438831496.

It is an arithmetic number, because the mean of its divisors is an integer number (3438831496).

Almost surely, 2^6877662991 is an apocalyptic number.

6877662991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6877662991 is an equidigital number, since it uses as much as digits as its factorization.

6877662991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 61.

The square root of 6877662991 is about 82931.6766440906. The cubic root of 6877662991 is about 1901.7217072506.

The spelling of 6877662991 in words is "six billion, eight hundred seventy-seven million, six hundred sixty-two thousand, nine hundred ninety-one".