6980777 has 2 divisors, whose sum is σ = 6980778. Its totient is φ = 6980776.

The previous prime is 6980737. The next prime is 6980833. The reversal of 6980777 is 7770896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5683456 + 1297321 = 2384^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 6980777 - 2⁸ = 6980521 is a prime.

It is not a weakly prime, because it can be changed into another prime (6980717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3490388 + 3490389.

It is an arithmetic number, because the mean of its divisors is an integer number (3490389).

Almost surely, 2^6980777 is an apocalyptic number.

It is an amenable number.

6980777 is a deficient number, since it is larger than the sum of its proper divisors (1).

6980777 is an equidigital number, since it uses as much as digits as its factorization.

6980777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 6980777 is about 2642.1160080511. The cubic root of 6980777 is about 191.1178516667.

The spelling of 6980777 in words is "six million, nine hundred eighty thousand, seven hundred seventy-seven".