6877358977 has 2 divisors, whose sum is σ = 6877358978. Its totient is φ = 6877358976.

The previous prime is 6877358951. The next prime is 6877359031. The reversal of 6877358977 is 7798537786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6871746816 + 5612161 = 82896^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 6877358977 - 2³¹ = 4729875329 is a prime.

It is not a weakly prime, because it can be changed into another prime (6877358077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438679488 + 3438679489.

It is an arithmetic number, because the mean of its divisors is an integer number (3438679489).

Almost surely, 2^6877358977 is an apocalyptic number.

It is an amenable number.

6877358977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6877358977 is an equidigital number, since it uses as much as digits as its factorization.

6877358977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124467840, while the sum is 67.

The square root of 6877358977 is about 82929.8437053875. The cubic root of 6877358977 is about 1901.6936861751.

The spelling of 6877358977 in words is "six billion, eight hundred seventy-seven million, three hundred fifty-eight thousand, nine hundred seventy-seven".